The while keyword in Java programming language

We will learn about the while keyword in Java programming language

In Java programming language, while is a keyword used in the while and do while loop. The while specifies a loop that executes a block of statements repeatedly until given condition(Boolean expression) is true. In the while loop test expression similar to if condition (based in Boolean expression-returns true or false)

Syntax

Syntax of the while keyword

while(condition){

statement(s) //block of statements

}

Example

Example of using while keyword

while(i>=10){ //boolean expression
System.out.println(i); // display statements
i--; // increment statement;
}

The logic executes a block of statements until the boolean expression returns true. It is terminated when the boolean expression returns as false

Program

class WhileInJava{
public static void main(String args[]){
int i=1;       //variable declaration
while(i<=5) {   //using while keyword to while loop

//display the output
System.out.println("The value of i is :"+i);

i++;   //updating statements
            }
        }
    }

When the above code is compiled and executed, it will produce the following results

The value of i is :1
The value of i is :2
The value of i is :3
The value of i is :4
The value of i is :5

The while keyword in Java programming language

The while keyword in Java programming language