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Test.java
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27 lines (23 loc) · 473 Bytes
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package java04;
class Animal {
void eat() {
System.out.println("animal : eat");
}
}
class Dog extends Animal {
void eat() {
System.out.println("dog : eat");
}
void eatTest() {
this.eat(); // this 调用自己的方法
super.eat(); // super 调用父类方法
}
}
public class Test {
public static void main(String[] args) {
Animal a = new Animal();
a.eat();
Dog d = new Dog();
d.eatTest();
}
}