WHILE LOOPS

Slide Note

This content covers the syntax and usage of while loops, including examples of implementing while conditions and outputting results using Java language. It also delves into the do/while loop syntax, offering insights into its structure and functionality. Additionally, the material touches on concepts like handling user input for sum calculation, utilizing the break and continue statements within loops, and demonstrating practical coding scenarios.

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Uploaded on Feb 19, 2025 | 1 Views

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Presentation Transcript

WHILE LOOPS v101

While Loop Syntax while (condition) { // code block to be executed }

While Loop Syntax int i = 0; while (i < 5) { System.out.println(i); i++; }

The Do/While Loop Syntax do { // code block to be executed } while (condition);

The Do/While Loop Syntax int i = 0; do { System.out.println(i); i++; } while (i < 5);

import java.util.Scanner; break; statement class UserInputSum { public static void main(String[] args) { double number, sum = 0.0; // create an object of Scanner Scanner input = new Scanner(System.in); while (true) { while (true) { System.out.print System.out.print("Enter a number: "); ("Enter a number: "); // takes double input from user // takes double input from user number = number = input.nextDouble input.nextDouble(); (); // if number is negative the loop terminates // if number is negative the loop terminates if (number < 0.0) { if (number < 0.0) { break; break; } } sum += number; sum += number; } } System.out.println("Sum = " + sum); }