[forサイクル印刷N行菱形]

 import java.util.Scanner;

public class PrintDiamond {
    private  int lineSize;//        : ：     ! 
    public PrintDiamond(int max){
        if(max<0){
            System.out.println("         ：     0   !");
            return;
        }else if(max%2==0){
            System.out.println("         ;     1   !");
            this.lineSize = max+1;
        }else{
            this.lineSize= max;
        }
//mid        (  )! 
//       9    ,      5 ,mid  5; 
        int mid = (lineSize+1)/2;
        for(int i=1;i<=lineSize;i++){
            int j,k;
            if(i<=mid){
                for(j=1;j<=mid-i;j++)
                    System.out.print(" ");
                for(k=1;k<=2*i-1;k++)
                    System.out.print("*");
            }else{
                for(j=1;j<=i-mid;j++)
                    System.out.print(" ");
                for(k=1;k<=lineSize-2*(j-1);k++)
                    System.out.print("*");
            }
            System.out.print("
");
        }
    }

    public static void main(String[] args) {
        while(true){
            Scanner sc = new Scanner(System.in);
            System.out.println("              ,      ( :       0   !");
            System.out.print("   :");
            int lineSize = sc.nextInt();
            System.out.println("---------------------------");
            new PrintDiamond(lineSize);//         ! 
            System.out.println("---------------------------");
        }
    }
}