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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		Scanner keyboard = new Scanner(System.in);
  13.         int triangleHeight = keyboard.nextInt();
  14.         int i;
  15.         int j;
  16.         for(i = 1; i < triangleHeight; i++) {
  17.             for (j = 1; j <= i; j++) {
  18.             	System.out.print("*");
  19.         	}
  20.     		System.out.println();
  21. 		}
  22.         for(i = triangleHeight; i>=1; i--) {
  23.             for (j = i; j >= 1; j--) {
  24.             	System.out.print("*");
  25.         	}
  26.     		System.out.println();
  27. 		}
  28. 	}
  29. }
Success #stdin #stdout 0.06s 711680KB
comments (?)
stdin 
4
stdout 
*
**
***
****
***
**
*
https://ideone.com/tpyy5d
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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