Java开发网 - 请教一道题

Topic: 请教一道题

1.请教一道题

Posted by: markriver
Posted on: 2005-04-09 00:45

public class Derived {
static {
System.out.println("static code here");
}
public static void main(String[] args) {
Derived d=new Derived();
Derived d1=new Derived();
}
}
输出: static code here

public class Derived {
{
System.out.println("static code here");
}
public static void main(String[] args) {
Derived d=new Derived();
Derived d1=new Derived();
}
}
输出: static code here
static code here

解释: 为什么？尤其是第二段

2.Re:请教一道题 [Re: markriver]	Copy to clipboard
Posted by: robinlet Posted on: 2005-04-22 21:06 static { System.out.println("static code here"); } 是类装载的时候进行初始化的。无论生成多少实例，都只执行1次。 { System.out.println("static code here"); } 是初始化实例的，每次生成实例都会执行1次。