public class TestClassLife extends TestClassLifeSuper {     
 
    public TestClassLife() { 
        System.out.println("3.构造行数被访问"); 
    } 
 
    { 
        System.out.println("2.初始化块被访问"); 
    } 
 
    static { 
        System.out.println("1.静态初始化块被访问"); 
    } 
  
    public void Go() {      
        System.out.println("4.方法体"); 
    } 
}

public class TestClassLifeSuper {     
    public TestClassLifeSuper() { 
        System.out.println("3.父构造行数被访问"); 
    } 
 
    { 
        System.out.println("2.父初始化块被访问"); 
    } 
 
    static { 
        System.out.println("1.父静态初始化块被访问"); 
    } 
 
    private static String a = "1"; 
     
    public void Go() { 
        String b = a; 
        System.out.println("4.父方法体"); 
    } 
}