Hello JianShu

It is a test for markdown in JianShu.

I love jianshu
My name is PanKaipeng

This is a piece of code. print("Hello code")
This is a block of code.

public class Test { 
  public static void main(String[] args) { 
    { 
      int x = 3; 
      System.out.println("普通代码块内的变量x=" + x); 
    } 
    int x = 1; 
    System.out.println("主方法内的变量x=" + x); 
    { 
      int y = 7; 
      System.out.println("普通代码块内的变量y=" + y); 
    } 
                                                       } 
                        } 

This is End.