Table of Contents
Nested forloop in Java language
When a forloop exists inside the body of another forloop, it is known as nested forloop in java
Syntex
for (initialization; boolean_expresion; increment or decrement){
// statement(s) inside the body
for (initialization; boolean_expresion; increment or dicrement){
// statement(s) inside the body
}
}
Here we can see, a for loop is inside the body another for loop
Flow diagram
Example programs
Program 1
This program displays square number pattern using nested whileloop
class forloop
{
public static void main(String args[])
{
for(int x=1;x<=10; x++) //Outer for loop
{
System.out.println();
for(int y=1;y<=10; y++)
{
System.out.print(y);
}
}
}
}
When you execute the above code, it produces the following result
Program 2
This program displays square star pattern using nested whileloop
When you execute above code , it produces the folloing result
**********
**********
**********
**********
**********
**********
**********
**********
**********
**********
Program 3
This program displays Floyd’s triangle number pattern using nested whileloop
When you execute above code , it produces the following result
*
**
***
****
*****
******
*******
********
*********
**********
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