构造器的继承
在java中，经常使用到继承，子类从父类中继承可继承的域和方法。而关于构造器的构造器却和一般的继承有很大不同。以下面为例。
package Thinking;public class Father{public int n;public Father(int n){this.n=n;}public Father(String msg){System.out.println(msg);}}class Son extends Father{public Son(String msg){super(msg);System.out.println(msg);}}