Java program to print floyd’s triangle

In this post, we will see how to print Floyd’s triangle in java.

Problem

You need to print Floyd’s triangle as below for n=5.

Floyd’s triangle in java

Let’s create class "FloydTriangleMainExample.java" as below

package org.arpit.java2blog;

/* Program: It Prints Floyd's triangle based on user inputs
 *
 */
import java.util.Scanner;
public class FloydTriangleMainExample
{
    public static void main(String args[])
    {
       int rows;
       int counter = 1;
       int currRowCount;
       //To get the user's input
       Scanner input = new Scanner(System.in);
       System.out.println("Enter the number of rows for floyd's triangle:");

       rows = input.nextInt();
       System.out.println("Floyd's triangle");
       System.out.println("****************");
       for ( currRowCount = 1 ; currRowCount <= rows ; currRowCount++ )
       {
           for ( int j = 1 ; j <= currRowCount ; j++ )
           {
                System.out.print(counter+" ");
                //Incrementing the number value to print
                counter++;
           }
           //For new line on row change
           System.out.println();
       }
       input.close();
   }
}

When you run above program, you will get below output:

That’s all about printing floyd’s cycle in java.