构造方法是构造类事例的方法
重载可以对任何方法(除了final的)重载,包括构造方法那一楼的例子为例:
public classic Man(){
int weight;int height;
String name;
int age;
Man(){
}
Man(String name,int weight,int height,int age){
this.weight=weight;
this.height=height;
this.name=name;
this.age=age;
}
public viod ptintXXX(){
System.out.prinln("fsdaghahah");
}
}
当你要生成Man的实例时Man man=new Man();或者Man man=new Man("asd",120,180,20);
其中Man类中的Man()和Man(String name,int weight,int height,int age)是构造方法,
用来构造类的实例的至于重载public classic son extends Man(){int weight;int height;String name;int age;public viod ptintXXX(String str){ //重载Man的ptintXXX方法System.out.prinln(str);}}