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Person.java

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/**

* Description:

* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>

* <br/>Copyright (C), 2001-2012, Yeeku.H.Lee

* <br/>This program is protected by copyright laws.

* <br/>Program Name:

* <br/>Date:

* @author Yeeku.H.Lee kongyeeku@163.com

* @version 1.0

*/

public class Person

{

//下面定义一个初始化块

{

int a = 6;

//在初始化块中

if (a > 4)

{

System.out.println("Person初始化块：局部变量a的值大于4");

}

System.out.println("Person的初始化块");

}

//定义第二个初始化块

{

System.out.println("Person的第二个初始化块");

}

//定义无参数的构造器

public Person()

{

System.out.println("Person类的无参数构造器");

}

public static void main(String[] args)

{

new Person();

}

}