java实现双层圣诞树加修饰代码示例

a:有咋样的实力可以写出这个代码？
b:会for循环就好
a:只要会for就好？
b：还有一点点逻辑能力和算法

package 海绵hong;
import java.util.scanner;
public class text9 {
    public static void main(string[] args) {
        scanner hong=new scanner(system.in);
        system.out.println("圣诞快乐！祝你早日脱单（有对象的话请不要说话，我喜欢你们保持沉默！！！）");
        system.out.println("请输入你最喜欢的数字：");
        int n=hong.nextint();
        shu(n);
    }
    public static void shu(int n) {
        for (int i = 0; i <= n; i++) {
            for (int b = n - i; b > 0; b--) {
                system.out.print(" ");
            }
            for (int j = 0; j <= 2 * i; j++) {
                system.out.print("*");
            }
            system.out.println();
        }
        for (int s = 0; s <= (n << 1) / 3; s++) {
            for (int t = 0; t < 2 * n; t++) {
                if ((t == 2 * n / 6 || t == 2 * n - (2 * n / 6)) && s < n/5)
                    system.out.print("￥");
                else
                    system.out.print(" ");
            }}
        system.out.println("");
        for (int i = 0; i <= n; i++) {
            for (int b = n - i; b > 0; b--) {
                system.out.print(" ");
            }
            for (int j = 0; j <= 2 * i; j++) {
                system.out.print("*");
            }
            system.out.println();
        }
            for (int s = 0; s <= (n << 1) / 3; s++) {
                for (int t = 0; t < 2 * n; t++) {
                    if ((t == 2 * n / 6 || t == 2 * n - (2 * n / 6)) && s < n/5) {
                        system.out.print("￥");
                    } else if (t >= 2 * n / 3 +1 && t <= 2 * n-(2 * n / 3 +1)) {
                        system.out.print("#");
                    } else {
                        system.out.print(" ");
                    }
                }
                system.out.println();
        }

}}

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