Java do-while Loop

Java do-while Loop

Java do-while Loop executes at least once when the condition is checked.Do-while is used to iterate a program code several times especially when the number of iterations are not fixed.

Java do-while Loop Syntax

[

do        {
        //code to execute        }
while(condition);

]

Java do-while Loop Example

[

public class DoWhile {

    public static void main(String args[])
    {
        int k=1;
        do{
            System.out.println("The number is "+k);
            k++;
        }while(k<=20);
    }
}  

]

Infinitive Java do-while Loop

Passing true in do-while loop it becomes infinitive loop.

Syntax:

[

do{
//code to be executed          }while(true); 

]

Infinitive Java do-while Loop Example

[

public class DoWhile {

    public static void main(String args[])
    {
        int k=1;
        do{
            System.out.println("The number is "+k);
            k++;
        }while(true);
    }
}  

]

See also:

Java While Loop

Java Switch Statement