package JavaBasic.staticdemo;

/**

* @Author MaoTian

* @Classname StaticTest

* @Description static使用

*

* test static

* myclass static

* person static

* person Test

* test constructor

* person MyClass

* myclass constructor

*

* @Date 下午8:23 2019/8/12

* @Version 1.0

* @Created by mao<tianmao818@qq.com>

*/

class Person{

static{

System.out.println("person static");

}

public Person(String str) {

System.out.println("person "+str);

}

}

//StaticTest已经加载过了

//而在生成对象的时候，必须先初始化父类的成员变量，因此会执行Test中的Person person = new Person()

class MyClass extends StaticTest {

Person person = new Person("MyClass");

//（3）被加载

static{

System.out.println("myclass static");

}

public MyClass() {

System.out.println("myclass constructor");

}

}

//

public class StaticTest {

Person person = new Person("Test");

//（1）首先被加载

static{

System.out.println("test static");

}

public StaticTest() {

System.out.println("test constructor");

}

public static void main(String[] args) {

//（2）被执行

new MyClass();

}

OutOfMemoryError outOfMemoryError;

}