Java8新特性_Optional容器类

package com.zs.boot.controller;

public class Employee implements Comparable{

private int id;
private String name;
private int age;
private double salary;
private Status status;

public Employee() {
}

public Employee(String name) {
this.name = name;
}

public Employee(String name, int age) {
this.name = name;
this.age = age;
}

public Employee(int id, String name, int age, double salary) {
this.id = id;
this.name = name;
this.age = age;

Java8新特性_Optional容器类最先出现在Python成神之路。