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Java While Loop Basics

The Java while loop iterates code a variable number of times as long as a condition is true. It checks the condition before running the code block. An infinite loop results if the condition is always true. A while loop example prints numbers 1 to 10, incrementing the counter i each iteration. Passing true in the condition creates an infinite loop that continuously prints a message until ctrl+c is pressed to terminate the program.

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97 views2 pages

Java While Loop Basics

The Java while loop iterates code a variable number of times as long as a condition is true. It checks the condition before running the code block. An infinite loop results if the condition is always true. A while loop example prints numbers 1 to 10, incrementing the counter i each iteration. Passing true in the condition creates an infinite loop that continuously prints a message until ctrl+c is pressed to terminate the program.

Uploaded by

Venu D
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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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. }  

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. }  
Test it Now
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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