space_diamond.java

# Java_codes-
  import java.util.*;

public class Main {

    public static void main(String[] args) {
        Scanner scn = new Scanner(System.in);
        int n=scn.nextInt();
        int st=(n/2)+1;
        int sp=1;
        for(int i=1;i<=n;i++){
            for(int j=1;j<=st;j++) System.out.print("*\t");
            for(int k=1;k<=sp;k++) System.out.print("\t");
            for(int l=1;l<=st;l++)  System.out.print("*\t");
            if(i<=n/2){
                st--;
                sp+=2;
            }else{
                st++;
                sp-=2;
            }
            System.out.println();
        }
    }
}