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Java program to generate and print Floyd’s triangle
Floyd's triangle, named after Robert Floyd, is a right-angled triangle, which is made using natural numbers. It starts at 1 and consecutively selects the next greater number in the sequence.
Algorithm
- Take a number of rows to be printed, n.
- Make outer iteration I for n times to print rows
- Make inner iteration for J to I
- Print K
- Increment K
- Print NEWLINE character after each inner iteration
Example
import java.util.Scanner;
public class FloyidsTriangle {
public static void main(String args[]){
int n,i,j,k = 1;
System.out.println("Enter the number of lines you need in the FloyidsTriangle");
Scanner sc = new Scanner(System.in);
n = sc.nextInt();
for(i = 1; i <= n; i++) {
for(j=1;j <= i; j++){
System.out.print(" "+k++);
}
System.out.println();
}
}
}Output
Enter the number of lines you need in the FloyidsTriangle 9 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45
Updated on: 13-Mar-2020
4K+ Views
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