java输出菱形

package test;

public class Test {
    public static void main(String[] args) {
            for(int i=1;i<=4;i++){
            for(int k=1;k<=4-i;k++){
                System.out.print(" "+" ");
            }
            for(int j=1;j<=2*i-1;j++){
            
                System.out.print("*"+" ");
            }
            System.out.println();
        }
        for(int i=1;i<=3;i++){
            for(int k=1;k<=i;k++){
                System.out.print(" "+" ");
            }
            for(int j=1;j<=7-2*i;j++){
                System.out.print("*"+" ");
            }
            System.out.println();
        }
    }    
}