for打印三角形struct

public class Demo08 {
    public static void main(String[] args) {
        //打印三角形
        for (int i = 1; i <= 5; i++) {
            for(int j = 5;j >= i;j--){
                System.out.print(" ");
            }
            for(int j = 1;j <= i;j++){
                System.out.print("*");
            }
            for(int j =1;j < i;j++){
                System.out.print("*");
            }
            System.out.println();
        }
    }
}