Program 1
package com.candidjava.star; import java.util.Scanner; public class Star7 { public static void main(String args[]) { int n, i, k, j; System.out.println("how many row you want : "); Scanner sc = new Scanner(System.in); n = sc.nextInt(); for (i = 1; i <= n; i++) { for (k = 0; k <= n - i; k++) { System.out.print(" "); } for (j = n; j >= k; j--) { System.out.print("*"); } System.out.println(""); } } }
Output 1
how many row you want :
5
*
**
***
****
*****
Program 2
package com.candidjava.star; import java.util.Scanner; public class Star8 { public static void main(String args[]) { int n, i, k, j; System.out.println("how many row you want : "); Scanner sc = new Scanner(System.in); n = sc.nextInt(); for (i = 1; i <= n; i++) { for (k = 0; k <= i; k++) { System.out.print(" "); } for (j = n; j >= i; j--) { System.out.print("*"); } System.out.println(""); } } }
Output 2
how many row you want :
5
*****
****
***
**
*
Program 3
package com.candidjava.star; public class Star9 { public static void main(String args[]) { int i, j, k; for (i = 1; i <= 5; i++) { for (j = 1; j <= 6 - i; j++) { System.out.print("*"); } for (k = 1; k < i; k++) { System.out.print(" "); } for (j = 1; j <= 6 - i; j++) { System.out.print("*"); } System.out.println(""); } for (i = 2; i <= 5; i++) { for (j = 1; j <= i; j++) { System.out.print("*"); } for (k = 1; k <= 5 - i; k++) { System.out.print(" "); } for (j = 1; j <= i; j++) { System.out.print("*"); } System.out.println(""); } } }
Ouput 3
**********
**** ****
*** ***
** **
* *
** **
*** ***
**** ****
**********