📄 jmain.java
字号:
class Person {
protected String name;
private int age;
protected void modify_age(int a) {
age = a;
}
public Person(String na, int a) {
name = na;
age = a;
}
public void show() {
System.out.println("Name: " + name + " Age: " + age);
}
}
class Teacher extends Person {
public Teacher(String na, int a) {
super(na, a);
}
public void modify(String na, int a) {
super.name = na;
super.modify_age(a);
}
}
public class JMain {
public static void main(String[] args) {
Teacher tr = new Teacher("David", 25);
tr.show();
tr.modify("Kent Smith", 45);
tr.show();
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -