Java Nested For Loop

 

A for loop with another for loop is called nested for loop.

Syntax:

for(initialization;condition;increment/decrement){

for(initialization;condition;increment/decrement;){

}//inner for loop

}//outer for loop 

Example:

public class nestedForloop{  

public static void main(String[] args) {                      

 

for(int y=1;y<=3;y++){  

for(int x=1;x<=5;x++){ 

  System.out.println(y+" "+x);  

}//inner loop 

} //outer loop 

System.out.print(“Nested For loop”);

} 

Pyramid

* 

* * 

* * * 

* * * * 

* * * * *

public class Pyramid { public static void main(String[] args) { for(int i=1;i<=5;i++){ for(int j=1;j<=i;j++){ System.out.print("* "); } System.out.println() } } }

1. 
   
2. 
   

* * * * * * 

* * * * * 

* * * * 

* * * 

* * 

* 

public class Pyramid2 { public static void main(String[] args) { int n=6; for(int i=1;i<=n;i++){ for(int j=n;j>=i;j--){ System.out.print("* "); } System.out.println(); } } }