Patterns-Java/pattern20.java at main · kaushik2k04/Patterns-Java · GitHub

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

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