PatternQ_with_java/pattern13.java at main · subhaskushwaha/PatternQ_with_java · GitHub

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//DIAMOD pattern
/*
    *
   ***
  *****
 *******
 *******
  *****
   ***
    *
*/
public class pattern13 {

    public static void DIAMOD_pattern(int n){
      //line
      for(int i=1; i<=n; i++){
        //sapce n-i
        for(int j=1; j<=n-i; j++){
            System.out.print(" ");
        }
        //star 2*i-1
        for(int j=1; j<=(2*i)-1; j++){
            System.out.print("*");
        }
        System.out.println();
      }
       //line 2nd half
      for(int i=n; i>=1; i--){
        //sapce n-i
        for(int j=1; j<=n-i; j++){
            System.out.print(" ");
        }
        //star 2*i-1
        for(int j=1; j<=(2*i)-1; j++){
            System.out.print("*");
        }
        System.out.println();
      }
    }
    public static void main(String[] args) {
        DIAMOD_pattern(5);
    }
}