java 对象执行顺序

 

package com.tzf.test;

public class Father {
	
	static {
		System.out.println("Father static Block Create");
	}
	
	{
		System.out.println("Father Block Create");
	}
	
	public Father(){
		System.out.println("Father Constructor Create");
	}
	
	public static void StaticFunction(){
		System.out.println("Father static Function");
	}

	public void Function(){
		System.out.println("Father Function");
	}
}

 

 

package com.tzf.test;

public class ChildOne extends Father {
	
	static {
		System.out.println("ChildOne static Block Create");
	}
	
	{
		System.out.println("ChildOne Block Create");
	}
	
	public ChildOne(){
		System.out.println("ChildOne Constructor Create");
	}
	
	public static void StaticFunction(){
		System.out.println("ChildOne static Function");
	}

}

 

 

package com.tzf.test;

public class ChildTwo extends Father {
	
	static {
		System.out.println("ChildTwo static Block Create");
	}
	
	{
		System.out.println("ChildTwo Block Create");
	}
	
	public ChildTwo(){
		System.out.println("ChildTwo Constructor");
	}
	
	public static void StaticFunction() {
		System.out.println("ChildTwo static Function");
	}

	public void Function() {
		System.out.println("ChildTwo Function");
	}
}

 

 

package com.tzf.test;

public class Main {
	
	public static void main(String[] args) {
		Father A = new ChildOne();
		Father B = new ChildTwo();
		A.StaticFunction();
		A.Function();
		B.StaticFunction();
		B.Function();
	}
	
}

问 运行Main.java之后输出什么？

 

答案如下

Father static Block Create
ChildOne static Block Create
Father Block Create
Father Constructor Create
ChildOne Block Create
ChildOne Constructor Create
ChildTwo static Block Create
Father Block Create
Father Constructor Create
ChildTwo Block Create
ChildTwo Constructor
Father static Function
Father Function
Father static Function
ChildTwo Function

 

转自：http://tangzhifei.iteye.com/blog/1183308