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Loop Control Statements

Loop control statements change execution from its normal sequence. When execution leaves a scope, all automatic objects that were created in that scope are destroyed.

C# provides the following control statements. Click the following links to check their details.

Sr.No.	Control Statement & Description
1	break statement Terminates the loop or switch statement and transfers execution to the statement immediately following the loop or switch.
2	continue statement Causes the loop to skip the remainder of its body and immediately retest its condition prior to reiterating.

The break statement in C# has following two usage ?

• When the break statement is encountered inside a loop, the loop is immediately terminated and program control resumes at the next statement following the loop.

• It can be used to terminate a case in the switch statement.

If you are using nested loops (i.e., one loop inside another loop), the break statement will stop the execution of the innermost loop and start executing the next line of code after the block.

Syntax

The syntax for a break statement in C# is as follows ?

break;

Flow Diagram

How the does break statement work?

Example

 

using System;

namespace Loops {
   class Program {
      static void Main(string[] args) {
         /* local variable definition */
         int a = 10;
         
         /* while loop execution */
         while (a < 20) {
            Console.WriteLine("value of a: {0}", a);
            a++;
            
            if (a > 15) {
               /* terminate the loop using break statement */
               break;
            }
         }
         Console.ReadLine();
      }
   }
} 

 

When the above code is compiled and executed, it produces the following result ?

value of a: 10
value of a: 11
value of a: 12
value of a: 13
value of a: 14
value of a: 15

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