Program 1
package com.candidjava; import java.util.Scanner; public class PatternNuberPyramidPrevRev { public static void main(String args[]) { int s = 1; int n; Scanner sc = new Scanner(System.in); System.out.println("Enter the N values"); n = sc.nextInt(); for (int i = 1; i <= n; i++) { while (s <= i) { System.out.print(s); s++; } s--; while (s > 1) { System.out.print(--s); } System.out.println(); } } }
Output 1
Enter the N values
5
1
121
12321
1234321
123454321
package com.candidjava; import java.util.Scanner; public class PatternNumberPyramid { public static void main(String args[]) { int i, j, n; Scanner sc = new Scanner(System.in); System.out.println("Enter the Row value n"); n = sc.nextInt(); for (i = 1; i <= n; i++) { for (j = 1; j <= i; j++) System.out.print(" " + j); System.out.print("\n"); } } }
package com.candidjava; public class PatternNumberPyramidUptoN { public static void main(String args[]) { { int i, j, n = 1; for (i = 0; i < 5; i++) { for (j = 0; j <= i; j++) { System.out.print(n + " "); n++; } System.out.println(); } } } }