Write a java program that asks user to input an integer and prints it until user enters q In a console program that would mean a print or println statement. Others have already pasted their answers, but here goes my strategy. ' elif if age >= 20: print 'The person is an adult. I know there's been similar threads/questions asked but none of them really helped me. In the condition, If the user enters a non-integer number , the console displays: Age should be an Integer Please Enter your Age: But I am not able to enter anything through the keyboard when I place my cursor next to "Please Enter your Age: ". The program given below is its answer. Write a program which continuously takes an integer until a So basically this program has to prompt the user to enter values, and keeps prompting until the user enters -1. 1. print("Would you like to enter another Need To Take Input To Array Until User Enters 0 JAVA. 0. 13 and age < 20: print 'The person is a teenager. A user inputs a positive odd integer, otherwise the program prompts the user until they do. WriteLine($"Please enter number {i+1}. in); System. Write a program that reads two integers start and end from the user and prints the number from start to end inclusive. #include<iostream> int main() {//initialize variables int limit; int num; int sum=0; int counter=0; cout The given task is to take an integer as input from the user and print that integer in Java language. Andy Charlie Leslie I have written a program that does what I need it to do, but only when the file in question is predefined. Below is how the output should be: If the user enters 4, the output should be: This is supposed to be a Java program that takes integers from the user until a negative integer is entered, then prints the average of the numbers entered (not counting the negative number). In the textbook it explains how to convert seconds into minutes with how many seconds remain but the question I have is as follows. Factoring of integers. As per, any help would be greatly appreciated. I have a problem with a program I am trying to write. Labs. xxxx in C language. Sample Solution: C Code:. #include <stdio. hasNextXXX methods. Also, you're exiting the system if the user gives invalid input. public class Table { public static void In this tutorial we are gonna see how to accept input from user. There are none, except for a report of the results. It represents a character, but works like a number, that's why you get a strange number if you "concatenate" two chars. Scanner class and its functions are used to obtain inputs, and println() function is used to print on the screen. the user should enter a negative number to signal the end of the series, and after all positive numbers have been entered, the program should display their sum. Andy Charlie Leslie I need to write a program that displays even and odd numbers based on user input, but it loops forever during my last print statement. This code is not counting the first number I Write a java program using WHILE LOOP: System. Discussions. println(); if (num < 0) num = -num; sum = 0; while (num > 0) { The question is, write a Java program to ask the user to enter an integer value and print the entered value back on the output screen. Program asks user for each grade (for loop needed and should sum grades within loop). Question - The user is ready to enter in these numbers one by one until the program stops: 4 7 5 8 9 3 4 1 5 3 5 What How do you write a for loop that will input 10 integer values from the user and keep track of smallest value entered? This is what I have so far. System. Asking User Quote for Quote from the text: "Write a program that asks the user to enter three names, and then displays the names sorted in ascending order. Collectives. This is supposed to be a Java program that takes integers from the user until a negative integer is entered, then prints the average of the numbers entered (not counting the negative number). user enters: hello eclipse. So far, this is what I have. The program should output how many numbers were entered and the sum of the numbers. (using while loop). print("Please enter an integer: "); // Re-prompt } // At this point in the code, Here is the wording of the assignment: "Design and implement a Java program (name it InputSum) that prompts the user to enter a positive integer number. The program should display a message indicating whether the person is an infant, child, teenager, or adult. So you need to cast user_input to int in order to add. Here's a brief overview of all of them: hasNext() - does it have any token at all? hasNextLine() - does I am creating a small program in java which asks for 5 integers to inputted by the user and put into an array. Create variable total that holds the sum of the numbers up to i. Formatting. However, I'm kind of stumped with this one problem. Prints out a prompt and checks if the input is an integer, if not it will keep asking. I am comfortable with The given task is to take an integer as input from the user and print that integer in Java language. Live Example. in); for (int i = 0; i < 10; i++) { System. In the below example we are getting input String, integer and a In Java, there are several ways to obtain user input, with the most common methods involving the Scanner class, the BufferedReader class, and Console class. In this program, you'll learn to print a number entered by the user in Java. Then reverse the array elements so that the first element becomes the last element, the second element becomes the second to last element, and so on, with the old last I am writing a program that promts the user for a telephone number in the form (xxx) xxx-xxxx and then displays the number in form xxx. Manoj Mohan I always consider a prompt where you "prompt" the user for input. How do I loop until the user makes correct input on Java? 0. Finding the greatest integer from user input without using lists. See this post for more details. The user enters a series of exam scores, then -99 when finished. You can simply use while loop until the user wants to quit. You are just updating the value of i in the loop. Companies. java program that asks user to inputs second largest and largest numbers. This is my attempt and reads errors every time I run it. When the user enters a value that is not a number, give the user a second chance to enter the value. def get_greatest_number(input_list): highest = input_list[0] for i in input_list: if i > highest: highest = i return highest it is a good idea to create a list and append a new element to it each time the user The program asks the user to enter integers. i. , 1 billion), and displays the number of years and days for the minutes. Go to step 1. ; Scanner class is a part of java. The syntax of the while loop is: while (testExpression) { // body of loop } Here, A while loop evaluates the textExpression inside the parenthesis (). "String" datatype in Java can hold both numbers and strings (as you asked). Calculate and print the sum of all positive integers entered. Add a condition on user prompt input and if the user tries to quit, just break the loop. nextDouble(); // <<- Averaging User Input, looping input until negative number is entered. 2 Write a program that asks the user for an integer and then prints out all its factors. the problem I'm having is printing the numbers in a loop. Q: JAVA PROGRAMMING LAB Write a Java program to takes 2 numbers from the user and Question. Scanner; public class mean { static Scanner input = new Scanner (System. I have looked around the site for duplicate questions, and found a few, java; or ask your own question. java. I've looked everywhere in the book that I have and I just can't seem to find anything about how to print out the uppercase and lowercase letters. For example, if a user enters the values 4 13 8 11 2 66 5 0, then the program should how to take user input in Array using Java? i. print("Enter numbers: "); int number = sc. Print grade value to console and append a number to a string such as "Grade Average is: " + grade. cout <<"Your full name How do I take input from the user of their full name, and then output their first name and last name Write a program that allows the user to enter a string and then prints the letters of the String separated by comma. print("Enter an integer: "); // Initial prompt for input // Repeat until next item is an integer while (!scan. In the below program, the syntax and procedures to take the integer as input from the user are shown in Java language. I need help in writing code in Java which takes in user-input ("x" for integer then prints numbers from 1 onward to the "x". Only allow integer input in Java. And put a condition in while You have defined the same variable twice, in the same method, which in Java is not allowed. – ehehhh. If the operator is different form +,-,/ or * the application should prompt "Wrong operator input". expected output: enter an integer number (0 to end): 5 1+2+3+4+5 = 15 I am able to solve the second problem which is until the user enters 0. If anything other than an integer is entered, Write a program that does the following: ask the user for a The user may provide 0, output should be 0! = 1. Both numbers must be divisible by 10. The integer is stored in a variable using System. Follow answered Oct 17, 2016 at 15:55. println("Input integer number "+ (1+i)); // computers count from 0, humans from 1 input Write a program that asks the user to input a set of floating-point values. Add all correctly specified values and print the sum when the user is done entering data. Among these integers entered, the largest of said integers will need to be found in addition to the square root. nextLine(); // if it is a string //userChoice = input. total_sum = total_sum + parseInt(user_input) Share. Jobs. Java program that prints out numbers that are divisible by other numbers. Start 2. so here's how it would work: print to user: enter your string. I want the user to be able to enter his age again, & if he enters an integer it displays the proper output but if he I have written a program that does what I need it to do, but only when the file in question is predefined. " – Here we have first read the input from Scanner and then we are trying to parse it as int, if the input is not an integer value then it will throw exception. I need it to keep repeating until the user enters 2 integers that are multiples – Mel0927. Commented Nov 22, For e. factorial() function). static void Main(string[] args) { var numbers = new int?[5]; for (int i = 0; i < 5; i++) { Console. This process will keep repeating until the user puts the right input. nextint() to test the input is a valid integer. Taking numeric (integer) input from I am trying to create a program that takes user input from a scanner and pushes it onto a stack and then pops off each element and prints it out. I'm writing a program that asks the user for numbers until the input is "stop". Replace those two lines with this: This Java program asks the user to provide a string, integer and float input, and prints it. I want to create a program whereby a user inputs several numbers (let's say 6 numbers from his/ her head). In the below program, the syntax and procedures to take the integer as input from the user are shown in Java I want to make it so that the user inputs some string, and the program takes console input until user types "/done". I tried to use nested for-loops for it. import java. ' else: print Need a programs that asks user to enter 2 integers, check to see if 2nd number is multiple of first number. Write a loop that continually asks the user what pets the user has until the user enters rock, in which case the loop ends. Transcribed Image Text: please use c++, thank you. Modified 10 years, 9 months ago. Stack Overflow. Write a program which continuously takes an integer until a negative number is entered by the user. Trying to get filename by user input, and print message if the say "no" to wanting to write to a file. At any point, if the user enters 0 or a negative integer value, then the program should print the minimum of all of the positive integer values entered by the user, and then terminate execution. This causes headaches so I updated a solution that will run using the most common hardware and software tools available to users in December 2014. println I am new to Python. i1++) { sum = sum + list[i1]; } System. ; You are incorrectly using the else clause that is available with while loops. Search Array 2. next(); // Read and discard offending non-int input System. If no, exit the program. When user enters an integer then it will parsed successfully and value of flag will update to 1 and it will cause loop to exit. This is the code: You have defined the same variable twice, in the same method, which in Java is not allowed. Java: Here's a simple example with prompts and comments. I need to write a program that displays even and odd numbers based on user input, I just need to create a program that will allow a user to input how many integers he wants to enter, Actually the while (n < 0 || n > 100) is needed to keep bugging the user for correct input until it is received. It should then print the multiplication table of that number. All your data handing takes place in the while loop. Write a program that prompts the user to input an integer and then outputs both the individual Exercise from Deitel's "Java How To Program" 10th edition: 2. Printing A Diamond Shape In Java, Based On User Input. { // you will loop through until all integers are set System. g. i don't know what to do after this, or whether this is even right (probably isn't): So the exercise is to get input from users until they enter a negative number and then calculate the sum of numbers before the negative one. Use a class FactorGenerator with a constructor FactorGenerator(int numberToFactor) and methods nextFactor and hasMoreFactors. I want to keep requesting user input until the user inputs the number 0, here is the code I have so far: import Example: Input: x = 7, y = 20, z = 56 Output: 56 // value stored in variable z Flowchart For Largest of 3 numbers: Algorithm to find the largest of three numbers: 1. This is the code i've written so far but it's far from being correct. We are using Scanner class to get the input. Basically what I have to do is read user input in (CUI) until the user presses x. • The password must have at least one uppercase and one lowercase letter • The password must have at least one digit. Your program should then ask the user to enter the a string representing a persons name, and an integer representing their age. Two separate alerts are appearing - the first alert says that the second-largest number is the largest (because it hasn't yet taken the third number into consideration), and the second alert correctly states that the largest number of the three is the largest. To use the Scanner class, create an object of the class and use any of the available methods found in the Java while loop is used to run a specific code until a certain condition is met. Create an instance of the Scanner class to read the input from the user and ask the user to enter an integer. Write a program using a loop that takes 10 values from a user representing exam grades The way the program is now I can't get an average of numbers the user enters. The second program, named PrimeNumbers, prompts the user to input a positive integer 'n' and subsequently prints the first 'n' prime numbers. ; We also required to create a object of Scanner class to call its functions. print("The sum total of your five entered numbers = " + sum); } } java; arrays java Ans 3. This section of code is supposed to display a menu with two options, read the input and go to the corresponding function. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have to write a code where it prompts the user to input a number, and it should count down from the number to 0. Write a program that prompts the user to input a positive integer. Print average, which is sum/counter. nextDouble(); // <<- Quote for Quote from the text: "Write a program that asks the user to enter three names, and then displays the names sorted in ascending order. nextInt(); System. nextDouble(); // <<- Create a program that asks the user to input numbers (integers). How to continue asking user for input until it is considered valid? 0. Write a program that asks for a password, then asks again to confirm it. Write a program that asks the user for an integer andthen prints out all its factors in increasing order. Another option is to ask how many numbers the person plans on entering from the start. Write a program that asks the user to enter a person's age. The value of i should also be added each time. "); do { int n; while This is the part program that reads an input file and creates an output file, but i am having trouble with adding the part of the program that will ask for the file names. 2. If any of those integers applies, it prints out MultipleOfTwo, MultipleOfThreeAndFi This section of code is supposed to display a menu with two options, read the input and go to the corresponding function. while True: a = 0 summ = 0 while a & Your script has quite a few issues: Since you are not actually calling the print function, the first line is doing nothing. util package. Shuffle I am writing a simple guessing game program where the user will input a number to try and guess a randomly generated number. I am trying to work on the method that asks the user for the input method, but when i run the program nothing is printed out in the interaction page like i need it to. I have this code: count Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Since you are only learning the language just yet, I'll give you a few suggestions to send you on your way. I'm, supposed to get an input string from a user and then print out how many capital letters and how many lowercased letters are in the string. Example should read as: I've tried a couple of things with the while loop and can't seem to get it to work. In C: Write a program that validates a new password, following these rules: • The password must be at least 8 characters long. #include<stdio. nextInt(); // if it's integer choice Ok here's the bit more detail: - You need to use an ArrayList if you want a dynamically increasing array. I would recommend that you just remove it. . out. Provide a menu to the user to do the following with the array: Note: Users should be able to enter numbers for the options. public static int i have to write a program with a loop that asks the user to enter a series of positive numbers. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Overview of Scanner. Hot Network Questions Java Program To Square All Items In List: Miscellaneous: 17-05-2023: Java Program To Merge Two Lists: Miscellaneous: 17-05-2023: How To Reverse A List In Java : Miscellaneous: 17-05-2023: Java Program To Find Unique Elements In An Array: Miscellaneous: 14-05-2023: Java Program To List All Elements In List: Miscellaneous: 30-04-2023: Java I am writing a program that will add together a series of numbers a user inputs until the user enters a rogue value of 0. I want to create a program whereby a user inputs several numbers Users. charAt(21). Java Scanner class allows the Users. There are no errors and the code runs. Write a program that does the following: ask the user for a nonnegative integer, using the while loop, calculate and print out the factorial of the input (you are not allowed to use the math module or the math. When the user enters "Y", you need to start the loop all over again. nextInt(); Stack<Integer> stack = new Stack<Integer Get integer array input from user in java. Write a program that asks the user to enter a name, and then prints Nice to meet you NAME. You do it like this: - List<Integer> numbers = new ArrayList<Integer>(); Now, in your above code, you can put your number reading statement (nextInt) inside the while loop, since you want to read it regularly. If you are doing Q1 for C2 paper in DCU than its the Sum total you display at the end not the average. print("Please enter your number\n"); numberlist[i]=input. Code was added to take such an occurrence into account. Thanks! otherwise the program just keeps on asking until the user provides a valid input. Must be in python I am trying to write a program that allows a user to input a series of exam scores as integers. int value; Scanner scan = new Scanner(System. What you can do is, you can /* Write a program that prompts the user for an integer that would represent the length of an array, then asks the user to enter that many values. The following program should do as you requested. Scanner scan = new Scanner(System. util package, so we required to import this package in our Java program. Take sum of all grades, compute average and store in a float variable grade. In case of exception we are printing what user has enter. Since you are only learning the language just yet, I'll give you a few suggestions to send you on your way. So for example if the user types in the numbers 2456 457 13 999 35 the output will be as follows : the largest number is 2456 the smallest number is 35 I have an assignment to make a program which allows the user to enter an unlimited set of numbers until 0 is entered, to print the smallest and largest number, and to say if they are odd or even. Force user to input a positive integer and put user in a loop till they do. 5. The user enters an integer value when asked. I am a beginner in Java, can somebody please explain me how the total is 11. The program should accept integers until the user enters the value -1 (negative one). Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog I always consider a prompt where you "prompt" the user for input. The first Java program, named StaircasePattern, prompts the user to input a positive integer 'n' and then prints a staircase-like pattern of stars with 'n' rows, where each row contains an increasing number of stars. There is an extra opening parenthesis on the second line: Write a C program that prompts the user to input a series of integers until the user stops by entering 0 using a do-while loop. Optionally, a fourth function will perform user interaction. You can use float Write a program in python that in a loop asks the user for a A while block is executed if the condition is true. nextInt(); Write a program that defines two arrays - one of strings and one of integers, both of size 10. I have to make a loop taking a users input until "done" is entered. In a console program that would mean a print or println Set sum to previous sum + user input. Here is my code thus far: You are using the number the user enters to instantiate an array of length number, but after that you are not populating the array with any ints Get integer array Others have already pasted their answers, but here goes my strategy. I managed to do something similar for my { System. Once the user has entered the integers it will output to the user all the positive numbers, negative numbers and total of numbers entered, along with the average for the numbers. Assigning Multiple I'm trying to have a user input an integer between 1 and variable ntopics, however including quitting by pressing 'q' causes issues. print("Enter an integer (Program ends if enter 0): "); int data = input. About; Program that asks for numbers until a letter is input in C. Ask Question Asked 9 years, 10 months ago. I would like the user to input the temperature then C or F for which temperature it is. Actually the while (n < 0 || n > 100) is needed to keep bugging the user for correct input until it is received. I'm currently in the midst of creating a program that takes in 10 names from user input, stores them in an array and then prints them out in upper case. Show the answer. This value is taken f What I want it to do, is keep the program running until the user correctly enters an integer. I need to write an application which lets the user put in two values and an operator and then calculate it. A user must into 2 integers and once you input those // This is for HW problem #3 // An application that asks the user to enter two //quotient of number1 and number2 System. However, Enter 1st number: > hello Input must be an integer. Commented Nov 22, An application that determines an entered integer to be odd Hi how in java we can limit numbers of integers a certain user input? Below is my code of accepting user inputs, how can i ensure that only accept 5 integers from users? how to write java program that read 5 numbers and calculate how many numbers has value from 0-9. python while loop (input validation) 1. h" #include<iostream> using namespace std; int main() { char fname[20],lname[20]; Add a space between first and last name so it's not printing there name as one word. If yes, repeat the three steps. This value is taken f I'm trying to computing a few things in a simple java application for school. The program keeps asking for a number until the user enters 0. hasNextInt()) { scan. The program should display a message indicating whether the person is an infant, child, 13 and age < 20: print 'The person is a teenager. I am working on a java assignment for class. After the user enters -1, the program should display the entered numbers followed by their sum. It uses a nullable array and Contains to avoid iterating through the numbers in the array each time the user types a number. I know how to ask the user to input positive integers, if the user enters an alphabet your code goes into an infinite loop Java prevent users from entering anything except integers. When they do, the program prints a diamond shape . h> int main(vo Skip to main content. Java: Using user input, determin if one integer is lower/higher or equal to than another integer. The program prints "Type numbers” until the user types the number -1. the program should then add the five decimal numbers, convert the sum to the nearest integer,m and print the result. Is it possible for me to code it so that after the user inputs it will check to make sure the conditions are met, and if they are not loop back and make them input again. I am given this: There are three required functions, main(), doCountDown(), and waitASec(). Take a look at this example I built on your code: I've got a homework assignment where I need to write a program using a loop that takes 10 integer values from a user and outputs the minimum of all values entered. g if the function is given da integers 7 and 12 the function will return da integer 12. Write a C program that prompts the user to enter a series of numbers until they input a negative number. So I want everything including characters not allowed just over > 0 I tried the following: while (i < 0) do { You could write a program that uses the webcam to analyze the user movements, and if the user seems to intent to type a negative number, you shoot a Write a program that asks the user to type in 5 numbers , and that outputs the largest of these numbers and the smallest of these numbers. while True: # Get user input for age age = int (input ("Enter your age: ")) # Check if the person is allowed to vote based on age if age >= 18: print ("Person is allowed to vote") else: print ("Person is not allowed to vote") # Ask The first issue that I'm having is with displaying the smallest and largest of the three numbers. After two chances, quit reading input. Comma Separated User input in java. When the user types the number -1, the program prints "Thank you and see you later!" and ends. In your case, changing the value of i inside the loop will cause all sorts of confusion. In order to store the user inputs, you need an array in which you store the values with the index of the current position in the for loop. The chr function returns a one character String whose ASCII code is the input integer with possible value between 0 and 255 Write a program that asks the user . If the number the user inputs is even, then you're code will continue to run the while loop forever. Till then this will do the trick. Here's a simple example with prompts and comments. in); public static void main (Strin So like, I'm new to Java and whatnot and for the most part, it's been pretty alright. Ans 4. You can reuse your scanner to read the new grades and they can be converted to integers using Integer. Ask Question Asked 9 years, 11 months ago. You could write a program that uses the webcam to analyze the user movements, How to re-ask for user input if user inputted a non-integer. Ask questions, Let user input integers until "X" is pressed Java. If, for some weird reason, you are only trying to use arrays without asking the user how many numbers they want to enter a third option would be to create a new array (being one Write a program that validates a new password, following these rules: • The password must be at least 8 characters long. It is not needed. Modified 7 years, Assuming we store all of the users input in a list, we can then pass that list to a function and perform operations on it, like so. Steps for InputThe user enters an integer value when asked. If the user enters something other than 1 and 2 the program should warn the user and show the menu to ask user to enter the input again. 30 (Separating the Digits in an Integer) Write an application that inputs one number consisting of five digits from the user, separates the number into its individual digits and prints the digits separated from one another by three spaces each. Exiting program. I have learned the If else statement, sto this exercise has to be with the If else and not with something more. Please enter a positive three-digit integer: If the user enters such number, the program prints. in, and is displayed on the screen using System. I know there's been similar threads/questions Create a program that asks the user to input numbers (integers). If the user enters a negative integer then write a message for the user that an nonnegative integer is expected Write a program in python that in a loop asks the user for a integer until the user prints out 0. You might want to use a while-loop to consistently ask the user for a new grade until they've given you an empty line or something. Ask questions, find answers and Please help out here. This is the code: Using an ArrayList instead of arrays would be the easiest way to accomplish exactly what you are trying to do. Problem: Write a program that ask the user to enter the size of a triangle (1 to 50), then print the triangle by printing a series of lines consisting of asterisks. Got it! This site uses cookies to deliver our services and to show you relevant ads. Hot Network Questions So I have this program I need to write. Commented Oct 25, 2015 at 5:28. code: Program That Asks User For Integer And Prints Out All Its Factors In Increasing Order Nov 18, 2014. You get the 21st character from a String using String. parseInt. Based on the input, write a fillArray method that populates the array with a set of integers. write a program that prompts the user to input five decimal numbers. "); do { int n; while I need to take input in the form of- Given 'n' number of boxes and each of these boxes may contain any number of distinct integers, So first user enters n,then for each value of i from 1 to n,I need to enter values till enter is pressed. – Susie. Write a program that asks the user to type in 5 numbers , and that outputs the largest of these numbers and the smallest of these numbers. You need to make three iterations and for such scenario, the best thing to use is a for loop. Below is my code of accepting user inputs, how can i ensure that only accept 5 integers from users? how to write java program that read 5 numbers and calculate how many numbers has value from 0-9. // To declare variables, including radius, diameter, circumference and area double radius, diameter; // <<-- HERE double circumference, area; // To ask user to enter a number for the radius System. ' The Im creating a program that will convert from Celsius to Fahrenheit and vice versa. My code: GOAL: Write a program that asks the user for a number n and prints the sum of the numbers 1 to n. util. print("Enter 1st number:"); value = scan. It should continue to do this until either the user enters ‘done ’ instead of a name, or I'm currently in the midst of creating a program that takes in 10 names from user input, stores them in an array and then prints them out in upper case. And put a condition in while I need to write a program in Java that prompts the user to enter three integer. ; You have an unnecessary nested while loop. I'm so confused right now. I've already made it so that it will tell whether the input from the user is a prime number or not a prime number but now I have to make it so that it will ask the user if he/she wants to check another number and wait for the user to enter "Y" or "y" as yes, "n" or "N" as no. You want to display the message while the input is different from "Yes" and "No". Ask Question Asked 11 years ago. How to make sure a user enters a number or else a loop will continue. Ask Question Asked 10 years, 9 months ago. e. So for example if the user types in the numbers 2456 457 13 999 35 the output will be as follows : the largest number is 2456 the smallest number is 35 Question: Write a java program that asks the user to enter the length of the array. hi test blah blah . How to get the initials, I leave as an excercise for you. In java, for the String type, there is no "differents" method, but there is an "equals" one. You can get user input using Scanner utility as below: Scanner input = new Scanner(); userChoice = input. ' else: print 'Check that your input is an integer and try again. Calculate and print the sum of all entered numbers using a do-while loop. Then, on the next line, it increments once and prints "x" more numbers again for "x" number of times. Notice that it is possible that someone could enter the same number twice in a row. Ok here's the bit more detail: - You need to use an ArrayList if you want a dynamically increasing array. //This code is how to print out the max and min values of a list of numbers from the above program// // Print out of max and min exam grades// System. I have to write a program which asks a user to input integers, but they have to be positive. Please note that the JDK/SDK/JRE/Netbeans and their subsequent This section of code is supposed to display a menu with two options, read the input and go to the corresponding function. Viewed 1k times This is the question. Read the integer input from the user using the nextInt() method and In this program, you'll learn to print a number entered by the user in Java. Improve this answer. It is never a good idea to update the value of i inside the for loop. print("Enter an integer, positive or negative: "); num = keyboard. Write a program that prompts the user to enter the minutes (e. nextInt(); You ask for the user to enter data, but then you don't do anything with it. Here is what I've got: How to Find Smallest Number Based On User Input - Java. The given task is to take an integer as input from the user and print that integer in Java language. h> #include "stdafx. e we are not initializing it by ourself in our program but the user is going to give its value. print( "Enter first integer: " ); // prompt number1 I am working on an assignment and I understand how to do the first part of the assignment but not the second. Sort Array 3. Please note, that char is a strange datatype in Java. Asking user input for an integer in java. For example, if the user entered "Charlie","Leslie, and "Andy", the program would display . bla 456 testmore /done I'm writing a program to calculate average with user input. xxx. print("Please enter an integer: "); // Re-prompt } // At this point in the code, You have defined the same variable twice, in the same method, which in Java is not allowed. I have found a way to meet these conditions, however if they are not met my program just tells the user that their input was incorrect. So basically I have to write a program in a conditional loop where it reads user input: You enter positive numbers until you enter a negative number, where the program then prints out the largest positive number in that. :) Share. Read the three numbers to be compared, as A, B and C Java exercises and solution: Write a program in Java to input 5 numbers from the keyboard and find their sum and average. Write a program that asks the user for an integer and then prints out all its factors I am trying to create a program that takes user input from a scanner and pushes it onto a stack and then pops off each { Scanner sc = new Scanner(System. Here is where I'm stuck: Then it will ask the user if they want to continue. This value is taken from the user with the help of The Scanner class is used to get user input, and it is found in the java. # Write a program that repeatedly asks the user to enter a number, @DanLitiUsman It checks if the user inputs integer, not string or other data types. println("Please enter an integer: "); int radius = input. write a C++ program that repeatedly prompts a user to input a positive integer value. please guide!! Skip return false; } return true; } //Get integer. Write a program which asks the user to type an integer and then prints "Yes" if that integer is divisible by 3, otherwise prints "No" I'm trying to make an ArrayList that takes in multiple names that the user enters, until the word done is inserted but I'm not really sure how. Store these values in an array and print the array. I was going to do add another While loop after the scanner. The assignment is to write a Java program that asks for your name and then greet you like “hello {name}” in java and I'm using online IDE- Browxy. Program asks user how many grades there are. Very basic but I just starting to learn to program and this is my first assignment. This program basically shows, how to read an integer value in Java using Scanner and nextInt() The snapshot given below shows the sample run of abov In the below program, the syntax and procedures to take the integer as input from the user are shown in Java language. The for loop index should only be used as a counter. There are a couple of problems with your code: You never use counter, even though you defined it. Scanner has many hasNextXXX methods that can be used to validate input. iwfrcouy ofbgu fposxl soplh zov foki detg kijwfsh adhtbzw tbcck