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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 size = 10;
  13.  
  14.         System.out.println(size);
  15.  
  16.         for (int i=0; i<size-1; i++)
  17.         {
  18.             for (int f=0; f<i; f++)
  19.             {
  20.                 System.out.print("*");
  21.             }
  22.             System.out.println("*");
  23.  
  24.         }
  25.         for (int i=size-1; i>=0; i--)
  26.         {
  27.             for (int f=i; f>0; f--)
  28.             {
  29.                 System.out.print("*");
  30.             }
  31.             System.out.println("*");
  32.         }
  33. 	}
  34. }
Success #stdin #stdout 0.09s 320576KB
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stdin
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Standard input is empty
stdout
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10
*
**
***
****
*****
******
*******
********
*********
**********
*********
********
*******
******
*****
****
***
**
*
https://ideone.com/22uYgG
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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