programs.java/pattern_10.java at main · aagmannag/programs.java · GitHub

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// import java.util.*;
public class pattern_10
{
    public static void main(String[] args) {
        int n=4;
        for (int i=1;i<=4;i++){
            for (int j=1;j<=i;j++){
                System.out.print("*");
            }
            int space=2*(n-i);
            for (int j=1;j<=space;j++){
                System.out.print(" ");
            }
            for(int j=1;j<=i;j++){
                System.out.print("*");
            }
            System.out.println(" ");
        }
        for (int i=4;i>=1;i--){
            for (int j=1;j<=i;j++){
                System.out.print("*");
            }
            int space=2*(n-i);
            for (int j=1;j<=space;j++){
                System.out.print(" ");
            }
            for(int j=1;j<=i;j++){
                System.out.print("*");
            }
            System.out.println(" ");
        }
    }
}