public class test {
public static void main(String[] args) {
Father myfather = new Son();
Son s = new Son();
System.out.println(myfather.str );
System.out.println(myfather.getStr());
myfather.method();
s.method();
s.method2();
}
}
//父类:
class Father {
String str = "这是父类的属性";
public String getStr(){
return str;
};
public void method(){
System.out.print ("这是父类的方法");
}
}
//子类:
class Son extends Father {
String str = "这是子类的属性";
public String getStr(){
return str;
}
public void method(){
System.out.println("这是子类的方法");
}
public void method2(){
System.out.println("这是子类的方法2");
}