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Do-While Loop





In do-while loop, a block of statements or the body of loop always comes before the condition of do-while loop is tested.







do while loop example


 //do-while example
 
public class DoWhile   //class starts
{
public static void main(String... ar)  //main method starts
{
int i=0;

do 
{
	
	System.out.println("i =" + i);
	i++;

}while(i<5);

} //main method ends

} //class ends


Output


0
1
2
3
4





do while loop is executed at least once


The body of do while loop is always executed during its first execution, even when the condition of loop is evaluated to be false, take a look at our next example -
//do-while example
 
public class DoWhile   //class starts
{
public static void main(String... ar)  //main method starts
{
int i=100;

do 
{
	
	System.out.println("i =" + i);
	i++;

}while(i<10);

} //main method ends

} //class ends


Output


100




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