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Break

Part of the Fundamentals section of Coddy's C# journey — lesson 44 of 69.

The break statement stops the loop instantly when it's encountered.

For example,

for (int i = 0; i < 10; i++) { 
    if (i == 6) {
    	break;
    }
    Console.WriteLine(i);
}

In the following example the loop iterates regularly until it reaches number 6. Then the program enters the if statement and executes the break statement. This exits the loop immediately. The output is:

Challenge

Beginner

You are given a code that prints the numbers from 1 to 20 (including).

Your task is to add if and break statements so that only the numbers from 1 to 15 will be printed, the loop will exit before printing the numbers from 16 to 20.

Cheat sheet

The break statement stops the loop instantly when it's encountered.

for (int i = 0; i < 10; i++) { 
    if (i == 6) {
    	break;
    }
    Console.WriteLine(i);
}

This loop exits when i equals 6, printing numbers 0 through 5.

Try it yourself

using System;

public class Program {
    public static void Main(string[] args) {
        for (int i = 1; i <= 20; i++) {
            Console.WriteLine(i);
        }
    }
}

Test yourself

This lesson includes a short quiz. Start the lesson to answer it and track your progress.

All lessons in Fundamentals

1Introduction

C#Hello World!Comments Basic Program Structure

4Operators Part 1

Arithmetic Operators Modulo Operator Increment/Decrement Post Increment/Decrement Arithmetic Shortcuts

7Basic IO

Basic Output String Interpolation Reading Input Parse Recap - Till 120 Recap - True or False

10Methods (Functions)

Declaring Methods Method Parameters Return Types Optional Parameters Recap - Validation Function Void Methods

13Iterating Over Collections

Using For Loop Foreach Loop Common Array Operations

2Variables Part 1

Numbers Char String Boolean Type Declaration

5Operators Part 2

Comparison Operators Logical Operators Part 1 Logical Operators Part 2 Recap - Simple Logic Logical Operators Part 3

8Calculator App

Welcome Message Getting Numbers

Project lesson

Basic Operations

Project lesson

Formatted Output

Project lesson

11Arrays Basics

Declaring Arrays Accessing Elements Modifying Arrays Array Methods Recap - Product Array Edit Recap - Reversed Array

14Final Challenges

Number Pattern Pattern Finder Student Grade Calculator

3Variables Part 2

Var Constants Naming Conventions Recap - Initialize Variables Type Casting

6Decision Making

If Statement If - Else Switch Statement Ternary Operator Recap - If Else Nested If - Else

9Loops

For Loop While Loop Do While LoopBreakContinue Nested Loop Infinite Loop Recap - Dynamic Input

12String Operations

String Methods Part 1 String Methods Part 2 String Formatting