FOR循环写等腰三角形

package hello;

public class sanjiaoxing {

    public static void main(String[] args) {
        for (int i = 0; i <= 4; i++) {
            for (int j = 0; j <= 3 - i; j++) {
                System.out.print("1");
            }
            for (int j = 0; j <= i; j++) {
                System.out.print(" *");
            }
            System.out.println();
        }
    }
}