Number pyramid program in Java

Number Pyramid Program




import java.util.Scanner;
public class NumberPyramid 
{
 public static void main(String[] args) {
  int num;
  Scanner sc = new Scanner(System.in);
  System.out.print(“Enter number of rows : “);
  num = sc.nextInt();
  for (int r = 1; r <= num; r++) {
   for (int sp = num – r; sp >= 1; sp–) {
    System.out.print(” “);
   }
   for (int c = 1; c <= r; c++) {
    System.out.print(” ” + r);
   }
   System.out.println();
  }
 }
}


Output:


Enter number of rows : 5


         1
       2  2
     3  3  3
   4  4  4  4
 5  5  5  5  5



BUILD SUCCESSFUL (total time: 2 seconds)

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