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Thread: How to write java program to print pyramid of stars?

  1. #1
    Join Date
    Nov 2009
    Posts
    42

    How to write java program to print pyramid of stars?

    Hi,
    I am T.Y.B.Sc.IT student. I recently started learning java language. Yesterday our sir has given us assignment in which there is a program like write java program to print pyramid of stars. I used lot of various method but I didn't get the solution. If you have any idea about it please share with me.

  2. #2
    Join Date
    May 2008
    Posts
    2,302

    Re: How to write java program to print pyramid of stars?

    This is simple program to make pyramid.

    Code:
    public class pyramid
    {
    public static void main(String args[])
    {
    for(int x=1;x<10;++)
    {
    for(int y=o;y<x;++)
    {
    System.out.print("*");
    }
    System.out.println();
    }
    }}

  3. #3
    Join Date
    Oct 2005
    Posts
    2,394

    Re: How to write java program to print pyramid of stars?

    Code:
    public class pyramid
    {
    public static void main(String args[])
    {
    int c=1;
    
    for(int x=1;x<5;++)
    {
    for(int y=x;y<5;++)
    {
    System.out.print(" ");
    }
    for(int t=1;t<=c;t++)
    {
    if(t%2==0)
    System.out.print(" ");
    else
    System.out.print("*");
    c+=2
    }
    }}

  4. #4
    Join Date
    May 2008
    Posts
    2,393

    Re: How to write java program to print pyramid of stars?

    Code:
    public static final void printStars(final int height) {
    
    
    final int tl = (height * 2) - 1;
    final int tl_2 = tl / 2;
    
    StringBuilder str = new StringBuilder(tl);
    
    
    for (int p = 0; p < tl; ++p) {
    str1.append(' ');
    }
    
    
    for (int i = 0; i <= tl_2; ++i) {
    str1.setCharAt(tl_2 + i, '*');
    str1setCharAt(tl_2 - i, '*');
    System.out.println(str1);
    }
    
    
    }

  5. #5
    Join Date
    Feb 2008
    Posts
    1,856

    Re: How to write java program to print pyramid of stars?

    I think this is simplest program.


    Code:
    package pyramid;
     
    class pyramid{
      public void pyramid(){
        
      } 
      public static void main(String[] args){
        for(int p=1; p<10; p++){
          for(int q = 0; q < p; q++){  
            System.out.print("*"); 
          }
          System.out.println();    
        }
      }
    }

  6. #6
    Join Date
    Jan 2008
    Posts
    1,521

    Re: How to write java program to print pyramid of stars?

    Code:
    public class PyramidStars {
    public static void main(String[] args) 
    {
    java.util.Scanner scanner = new java.util.Scanner(System.in);
    System.out.print("Enter no. you want : ");
    int S = scanner.nextInt();
    for (int t = 1; t <= S; t++) {
    for (int s = 1; s<=t; s++) {
    System.out.print("*");
    }
    System.out.println();
    }
    }
    }

  7. #7
    Join Date
    Aug 2011
    Posts
    1

    pyraRe: How to write java program to print x shape of stars?

    how to write java program to print x shape of stars?

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