VIP29/JavaSE/day06/src/main/java/com/sf/codeBlock/Test2.java

package com.sf.codeBlock;

/**
 * 静态代码块
 * static{  代码体 }
 * 静态代码块必须放在类下
 */
public class Test2 {
   private static int a;
    static {
         a =1;
        System.out.println(a);
    }

    public static void main(String[] args) {
        System.out.println(a);
    }
}