how can i do this using loops ?

Question

3.00/5 (1 vote)

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i want to do this shape :

* * * * *
* * * *
* * *
* *
*

code :

public void displayPyramid(int x, int y)
{
  row = x;
  col = y;
  int r =0;
  int c =0;
  
  while(r<row)>
   {
      while(c<col)>
       { 
        System.out.println("* ");
        c++;
       }
       System.out.println();
       r++;
   }
}

Posted 1-May-11 23:22pm

Mohammed Ahmed Gouda

Updated 1-May-11 23:26pm

walterhevedeich

v2

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Comments

Mohammed Ahmed Gouda 2-May-11 5:24am

* * * * *
* * * *
* * *
* *
*

walterhevedeich 2-May-11 5:26am

a homework?

Mohammed Ahmed Gouda 2-May-11 7:17am

no i am just trying to improve myself

3 solutions

Solution 2

Look at your diagram and count the number of spaces at the beginning, and total number of stars on each line. That should give you a reasonable clue as to the loop counters you need for each row.

Posted 1-May-11 23:42pm

Richard MacCutchan

Comments

Sergey Alexandrovich Kryukov 2-May-11 8:21am

As the OPs purpose was to improve himself, this should be enough :-), my 5.
--SA

Solution 3

You can try this, may it help you

for (int i = 5; i > 0; i--)
{
    int y = 5;
    y = y - i;
    for (int e = y; e > 0; e--)
    {
        Console.Write(" ");
    }
    for (int j = i; j > 0; j--)
    {
        Console.Write("* ");
    }
    Console.Write("\n");
}

Eshaq

Posted 15-May-11 1:36am

eshaq

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Sandeep Mewara · Accepted Answer · 2011-05-01T23:30:00

Solution 1

Algo Steps:
1. Start loop from 5 to 1 step -1
2. Show the stars as per the current loop number
3. Put a line break when the loop is reduced by 1

Done! Try!

Posted 1-May-11 23:30pm

Sandeep Mewara

Comments

Mohammed Ahmed Gouda 2-May-11 7:47am

i dont understand

Sandeep Mewara 2-May-11 9:17am

What was confusing?

Sergey Alexandrovich Kryukov 2-May-11 8:21am

Cognition exercise detected! My 5.
--SA

Sandeep Mewara 2-May-11 9:17am

Thanks SA.