I need to read an unknown number of inputs using either C++ or Java. Inputs have exactly two numbers per line. I'd need to use cin or a System.in Scanner because input comes from the …

Jan 8, 2024 · In this article, we’ve explored how to write a Java method to read user input until a condition is met. The two key techniques are: Using the Scanner class from the standard Java …

Mar 11, 2025 · In this tutorial, we’ve explored how to implement a while loop in Java that continuously requests user input. We covered basic input handling, input validation, and even …

Capturing user input in Java typically involves using the Scanner class, which is part of the java.util package. The while loop can be effectively used to repeatedly prompt the user for …

Jul 13, 2023 · In that case, we can use a While loop and a few different methods in the Scanner class to accomplish this. Consider this code example: This program will read input from the …

Read Input Using a Loop. Utilize a loop to continuously read input from the user. You can use a while-statement that checks for a specific condition to decide when to exit the loop.

Nov 5, 2018 · Use a while loop above input line as: while(true) And, use if condition to break. if(year == 0) break; Also, condition for leap year is wrong in your code. It should be: if((year % …

Jan 2, 2018 · Well, for the Java scanner you need to wrap it in an try/catch block, but I would make a boolean flag of "validData" or something like that, then I'd loop on if that true, then …

Apr 22, 2025 · Java while loop is a control flow statement used to execute the block of statements repeatedly until the given condition evaluates to false. Once the condition becomes false, the …

import java.util.Scanner; public class InputValidation { public static void main(String args[]) { Scanner keyboard = new Scanner(System.in); System.out.print("Enter a number in the "+ …