java枚举类型优秀源代码

class Demo1 {
public static void main(String[] args) {
/*Demo d = new Demo();
d.print();

Inter.method();*/

Demo d = new Demo();
d.run();
}
}

interface Inter {
public default void print() {
System.out.println("Hello World");
}

public static void method() {
System.out.println("static method");
}
}

class Demo implements Inter {
public void run() {
int num = 10; //JDK8,前面的final可以省略
class Inner {
public void fun() {
System.out.println(num);

}
}

Inner i = new Inner();
i.fun();
}


package com.heima.bean;

public class Person {
private String name;
private int age;
public Person() {
super();

}
public Person(String name, int age) {
super();
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;