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Saturday, February 13, 2016

Java program to print Floyd's triangle

This java program prints Floyd's triangle.

Java programming source code

import java.util.Scanner;
 
class FloydTriangle
{
public static void main(String args[])
{
int n, num = 1, c, d;
Scanner in = new Scanner(System.in);
 
System.out.println("Enter the number of rows of floyd's triangle you want");
n = in.nextInt();
 
System.out.println("Floyd's triangle :-");
 
for ( c = 1 ; c <= n ; c++ )
{
for ( d = 1 ; d <= c ; d++ )
{
System.out.print(num+" ");
num++;
}
 
System.out.println();
}
}
}
Download Floyd's triangle program class file.
Output of program:
Floyd triangle program
In Floyd triangle there are n integers in the nth row and a total of (n(n+1))/2 integers in n rows. This is a simple pattern to print but helpful in learning how to create other patterns. Key to develop pattern is using nested loops appropriately.

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