class Fu{
int x = 10;
String name;
public Fu(String name){
this.name = name;
System.out.println("父类带参的构造函数....");
}
public Fu(){
System.out.println("父类无参的构造函数....");
}
public void eat(){
System.out.println("小头爸爸吃番薯...");
}
}
class Zi extends Fu{
int x = 20;
public Zi(String name){
super(name); //调用父类一个参数的构造函数...
System.out.println("子类带参构造函数....");
//super(); //调用了父类无参的构造函数....
}
public Zi(){
System.out.println("子类无参构造函数....");
}
public void print(){
super.eat();
System.out.println("x:"+super.x);
}
public void eat(){
System.out.println("大头儿子吃龙虾...");
}
}
class Demo53
{
public static void main(String[] args)
{
Zi zi = new Zi("大头儿子");
System.out.println("名字："+ zi.name);
Zi zii = new Zi();
System.out.println("名字："+ zii.name);
zi.eat();
zi.print();
}
}
