Patterns-Java/pattern9.java at main · kaushik2k04/Patterns-Java · GitHub

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public class Solution {
    public static void nStarDiamond(int n) {
        // Write your code here

        for(int i=0;i<n;i++){
            //space
            for(int j=0;j<n-i-1;j++){
                System.out.print(" ");
            }
            //start
            for(int j=0;j<2*i+1;j++){
                System.out.print("*");
            }
            //space
            for(int j=0;j<n-i-1;j++){
                System.out.print(" ");
            }
             System.out.println(" ");
        }
        for(int i=n-1;i>=0;i--){
            for(int j=0;j<n-1-i;j++){
                System.out.print(" ");
            }
             for(int j=0;j<2*i+1;j++){
                System.out.print("*");
            }
             for(int j=0;j<n-1-i;j++){
                System.out.print(" ");
            }
            System.out.println(" ");
        }
    }
}


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