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Java While Loop


The Java while loop is used to iterate a part of the program several times. If the number of iteration is not fixed, it is recommended to use while loop.

Syntax:

  1. while(condition){
  2. //code to be executed
  3. }

while

Example:

  1. public class WhileExample {
  2. public static void main(String[] args) {
  3.     int i=1;
  4.     while(i<=10){
  5.         System.out.println(i);
  6.     i++;
  7.     }
  8. }
  9. }

Output:

1
2
3
4
5
6
7
8
9
10

Java Infinitive While Loop

If you pass true in the while loop, it will be infinitive while loop.

Syntax:

  1. while(true){
  2. //code to be executed
  3. }

Example:

  1. public class WhileExample2 {
  2. public static void main(String[] args) {
  3.     while(true){
  4.         System.out.println(“infinitive while loop”);
  5.     }
  6. }
  7. }

Output:

infinitive while loop
infinitive while loop
infinitive while loop
infinitive while loop
infinitive while loop
ctrl+c

Now, you need to press ctrl+c to exit from the program.

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