[修飾符]{
	//代碼
	}

public class CodeBlock01 {
    public static void main(String[] args) {

        Movie movie = new Movie("你好，李煥英");
        System.out.println("===============");
        Movie movie2 = new Movie("唐探3", 100, "陳思誠(chéng)");
    }
}

class Movie {
    private String name;
    private double price;
    private String director;

    //3個(gè)構(gòu)造器-》重載
    //解讀
    //(1) 下面的三個(gè)構(gòu)造器都有相同的語(yǔ)句
    //(2) 這樣代碼看起來(lái)比較冗余
    //(3) 這時(shí)我們可以把相同的語(yǔ)句，放入到一個(gè)代碼塊中，即可
    //(4) 這樣當(dāng)我們不管調(diào)用哪個(gè)構(gòu)造器，創(chuàng)建對(duì)象，都會(huì)先調(diào)用代碼塊的內(nèi)容
    //(5) 代碼塊調(diào)用的順序優(yōu)先于構(gòu)造器..
    
    {
        System.out.println("電影屏幕打開(kāi)...");
        System.out.println("廣告開(kāi)始...");
        System.out.println("電影正是開(kāi)始...");
    };

    public Movie(String name) {
        System.out.println("Movie(String name) 被調(diào)用...");
        this.name = name;
    }

    public Movie(String name, double price) {
        this.name = name;
        this.price = price;
    }

    public Movie(String name, double price, String director) {
        System.out.println("Movie(String name, double price, String director) 被調(diào)用...");
        this.name = name;
        this.price = price;
        this.director = director;
    }
}

//1. 創(chuàng)建對(duì)象實(shí)例時(shí)(new)
AA aa = new AA();

class AA {
    //靜態(tài)代碼塊
    static {
        System.out.println("AA 的靜態(tài)代碼1被執(zhí)行...");
    }
}

//2. 創(chuàng)建子類(lèi)對(duì)象實(shí)例，父類(lèi)也會(huì)被加載, 而且，父類(lèi)先被加載，子類(lèi)后被加載
AA aa2 = new AA();

class BB {
    //靜態(tài)代碼塊
    static {
        System.out.println("BB 的靜態(tài)代碼1被執(zhí)行...");//1
    }
}
class AA extends BB {
    //靜態(tài)代碼塊
    static {
        System.out.println("AA 的靜態(tài)代碼1被執(zhí)行...");//2
    }
}

//3. 使用類(lèi)的靜態(tài)成員時(shí)(靜態(tài)屬性，靜態(tài)方法)
System.out.println(Cat.n1);
 
class Animal {
    //靜態(tài)代碼塊
    static {
        System.out.println("Animal 的靜態(tài)代碼1被執(zhí)行...");//1
    }
}
class Cat extends Animal {
    public static int n1 = 999;//靜態(tài)屬性 3
    //靜態(tài)代碼塊
    static {
        System.out.println("Cat 的靜態(tài)代碼1被執(zhí)行...");//2
    }
}

A a = new A();

class A {
    { //普通代碼塊
        System.out.println("A 普通代碼塊01");
    }
    private int n2 = getN2();//普通屬性的初始化

    static { //靜態(tài)代碼塊
        System.out.println("A 靜態(tài)代碼塊01");
    }

    //靜態(tài)屬性的初始化
    private static  int n1 = getN1();

    public static int getN1() {
        System.out.println("getN1被調(diào)用...");
        return 100;
    }
    public int getN2() { //普通方法/非靜態(tài)方法
        System.out.println("getN2被調(diào)用...");
        return 200;
    }

    //無(wú)參構(gòu)造器
    public A() {
        System.out.println("A() 構(gòu)造器被調(diào)用");
    }
}

new BBB();

class AAA { //父類(lèi)Object
    {
        System.out.println("AAA的普通代碼塊");
    }
    public AAA() {
        //(1)super()
        //(2)調(diào)用本類(lèi)的普通代碼塊
        System.out.println("AAA() 構(gòu)造器被調(diào)用....");
    }
}
class BBB extends AAA  {
    {
        System.out.println("BBB的普通代碼塊...");
    }
    public BBB() {
        //(1)super()
        //(2)調(diào)用本類(lèi)的普通代碼塊
        System.out.println("BBB() 構(gòu)造器被調(diào)用....");
    }
}

new B02();

class A02 { //父類(lèi)
    private static int n1 = getVal01();
    static {
        System.out.println("A02的一個(gè)靜態(tài)代碼塊..");//(2)
    }
    {
        System.out.println("A02的第一個(gè)普通代碼塊..");//(5)
    }
    public int n3 = getVal02();//普通屬性的初始化
    public static int getVal01() {
        System.out.println("getVal01");//(1)
        return 10;
    }

    public int getVal02() {
        System.out.println("getVal02");//(6)
        return 10;
    }

    public A02() {//構(gòu)造器
        //隱藏
        //super()
        //普通代碼和普通屬性的初始化......
        System.out.println("A02的構(gòu)造器");//(7)
    }

}
class B02 extends A02 { //

    private static int n3 = getVal03();

    static {
        System.out.println("B02的一個(gè)靜態(tài)代碼塊..");//(4)
    }
    public int n5 = getVal04();
    {
        System.out.println("B02的第一個(gè)普通代碼塊..");//(9)
    }

    public static int getVal03() {
        System.out.println("getVal03");//(3)
        return 10;
    }

    public int getVal04() {
        System.out.println("getVal04");//(8)
        return 10;
    }
    //一定要慢慢的去品..
    public B02() {//構(gòu)造器
        //隱藏了
        //super()
        //普通代碼塊和普通屬性的初始化...
        System.out.println("B02的構(gòu)造器");//(10)
    }
}

class C02 {
    private int n1 = 100;
    private static int n2 = 200;

    private void m1() {}
    
    private static void m2() {}

    static {
        //靜態(tài)代碼塊，只能調(diào)用靜態(tài)成員
        //System.out.println(n1);錯(cuò)誤
        System.out.println(n2);//ok
        //m1();//錯(cuò)誤
        m2();
    }
    {
        //普通代碼塊，可以使用任意成員
        System.out.println(n1);
        System.out.println(n2);//ok
        m1();
        m2();
    }
}