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Java Program to Print Pyramid Pattern of Numbers
This article is created to cover a program in Java that prints pyramid pattern of numbers.
Pyramid Pattern of Numbers in Java
The question is, write a Java program to print pyramid of number. Following program is its answer:
public class fresherearth { public static void main(String[] args) { int i, space, j, num=1; for(i=0; i<5; i++) { for(space=i; space<5; space++) System.out.print(" "); for(j=0; j<(i+1); j++) System.out.print(num+ " "); System.out.print("\n"); } } }
The snapshot given below shows the sample output produced by above Java program:
Now let's modify the above program, to allow user to define the size of pyramid, along with the number to form the same pyramid, of given size, with given number:
import java.util.Scanner; public class fresherearth { public static void main(String[] args) { int tot, i, space, j, num; Scanner s = new Scanner(System.in); System.out.print("Enter the Number of Rows (Line): "); tot = s.nextInt(); System.out.print("Enter the Number to Form Pyramid: "); num = s.nextInt(); for(i=0; i<tot; i++) { for(space=i; space<tot; space++) System.out.print(" "); for(j=0; j<(i+1); j++) System.out.print(num+ " "); System.out.print("\n"); } } }
The sample run of above program with user input 11 as number of lines and 5 as number to form pyramid that are of 11 rows or lines, is shown in the snapshot given below:
Full Pyramid Pattern of Number in Java
This is the last program of this article, created to print the full pyramid pattern using a given number. The pyramid printed using this program, provides the actual look of pyramid.
import java.util.Scanner; public class fresherearth { public static void main(String[] args) { int i, row, k, j, num; Scanner s = new Scanner(System.in); System.out.print("Enter the Number of Rows (Line): "); row = s.nextInt(); System.out.print("Enter a Number Form Pyramid: "); num = s.nextInt(); for(i=0; i<row; i++) { for(k=i; k<row; k++) System.out.print(" "); for(j=0; j<(i+1); j++) System.out.print(num+ " "); System.out.print("\n"); } for(i=row; i>0; i=(i-2)) { for(k=row; k>=(i-1); k--) System.out.print(" "); for(j=(i-1); j>0; j--) System.out.print(num+ " "); System.out.print("\n"); } } }
The snapshot given below shows the sample run of above program with user input 12 as number of lines and 8 as number to form complete pyramid:
Note - For more pyramid pattern using number, refer to Pyramid Pattern of Stars in Java. The only change to do, is replace the star with desired number.
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