How to use java to realize double-layer Christmas Tree Decoration

Editor to share with you how to use java to achieve double-layer Christmas tree decoration, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

A: what kind of strength can I write this code?

B: it's good to know the for loop

A: as long as you can for?

B: there's still a little bit of logic and algorithm.

Package sponge hong;import java.util.Scanner;public class text9 {public static void main (String [] args) {Scanner hong=new Scanner (System.in); System.out.println ("Merry Christmas! Wish you to get rid of the order as soon as possible (if you have a date, please don't talk, I like you to keep silent! ); System.out.println ("Please enter your favorite number:"); int n=hong.nextInt (); shu (n);} public static void shu (int n) {for (int I = 0; I 0; bmae -) {System.out.print (");} for (int j = 0; j)