(转) Java 静态代码块和非静态代码块

public class StaticBlockTest1 {

    //主调类的非静态代码块
    {
        System.out.println("StaticBlockTest1 not static block");
    }
    //主调类的静态代码块
    static {
        System.out.println("StaticBlockTest1 static block");
    }

    public StaticBlockTest1(){
        System.out.println("constructor StaticBlockTest1");
    }

    public static void main(String[] args) {
        Children children = new Children();
        children.getValue();
    }

}


class Parent{

    private String name;
    private int age;

    //父类无参构造方法
    public Parent(){
        System.out.println("Parent constructor method");
        {
            System.out.println("Parent constructor method--> not static block");
        }
    }
    //父类的非静态代码块
    {
        System.out.println("Parent not static block");
        name = "zhangsan";
        age = 50;
    }
    //父类静态代码块
    static {
        System.out.println("Parent static block");
    }

    //父类有参构造方法
    public Parent(String name, int age) {
        System.out.println("Parent constructor method");
        this.name = "lishi";
        this.age = 51;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}

class Children extends Parent{
    //子类静态代码块
    static {
        System.out.println("Children static block");
    }

    //子类非静态代码块
    {
        System.out.println("Children not static block");
    }

    //子类无参构造方法
    public Children(){
        System.out.println("Children constructor method");
    }


    public void getValue(){
        //this.setName("lisi");
        //this.setAge(51);
        System.out.println(this.getName() + this.getAge());
    }
}

StaticBlockTest1 static block   //主调类的静态代码块
Parent static block             //父类的静态代码块
Children static block           //子类的静态代码块
Parent not static block         //父类的非静态代码块
Parent constructor method       //父类的构造函数
Parent constructor method--> not static block
Children not static block       //主调类的非静态代码块
Children constructor method     //主调类的构造函数
zhangsan50                      //主调main方法