摘要：
class User { private String name; private String password; private static int count=0; public User() { count++; } public User(String name) { count++; 阅读全文
摘要：
class Dog{ private String name; private String color; private int age;public Dog(String name,String color,int age){ this.name=name; this.color=color; 阅读全文
摘要：
public class Employee { private int id;private String name;private double salary;private double byPercent; public Employee(int id,String name,double s 阅读全文