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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. 		int i,j,k;
  13. 		int l=1;
  14. 		int m=0;
  15. 		int a=5; 
  16. 		int b=a-1;
  17. 		//System.out.print("Please enter number rows:");
  18. 		//System.in.
  19. 		for(i=a; i>0; i--)
  20.         {
  21.         for(j=i; j>0; j--)
  22.         {
  23.             System.out.print(" ");
  24.         }
  25.         for(k=1; k<=l+m; k++)
  26.         {
  27.         System.out.print("*");
  28.         }
  29.         System.out.println("");
  30.         l++;
  31.         m++;
  32.         }
  33.  
  34.         l=b; m=b-1;
  35.         for(i=b; i>0; i--)
  36.         {
  37.         	for(j=b+1; j>=i; j--)
  38.         	{
  39.         	System.out.print(" ");	
  40.         	}
  41.         	for(k=1; k<=l+m; k++)
  42.         	{
  43.         	System.out.print("*");	
  44.         	}
  45.         	System.out.println("");
  46.             l--;
  47.             m--;
  48.         }
  49.  
  50.      }
  51. }
Success #stdin #stdout 0.05s 4386816KB
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     *
    ***
   *****
  *******
 *********
  *******
   *****
    ***
     *
https://ideone.com/5a79P0
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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