//: initialization/Mugs.java

// Java "Instance Initialization."

class Mug{

Mug(int marker){

System.out.println("Mug(" + marker + ")");

}

void f(int marker){

System.out.println("f(" + marker + ")");

}

}

public class Mugs {

Mug mug1;

Mug mug2; // 实例初始化子句 在构造器之前执行

{ // 非静态实例初始化 每次 new 一个对象 都会执行一次

mug1 = new Mug(1);

mug2 = new Mug(2);

System.out.println("mug1 & mug2 initialization");

}

Mugs(){ // 每次 new 一个对象 执行对应的构造器

System.out.println("Mugs()");

}

Mugs(int i){

System.out.println("Mugs(int)");

}

public static void main(String[] args){

System.out.println("Inside main()");

new Mugs();

System.out.println("new Mugs completed");

new Mugs(1);

System.out.println("new Mugs(1) completed");

}

}