今天简单讲下extends 继承,二话不多说来个Demo
//Demo1 extends01.java
}
//Demo2 extends02.java
public class extends02 extends extends01 {
public extends02(){
}
public extends02(String name,int age,String sex){
super.name = name;
super.age = age;
super.sex = sex;
}
public void introduce(){
System.out.println(“姓名:”+name+” “+”年龄:”+age+” “+”性别:”+sex);
}
}
//Demo03 extends03.java
//打印结果
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