第四次作业

标签：

class Dog
{
private String name;
private String colour;
private int age;
public Dog(String name,String colour,int age)
{
this.name=name;
this.colour=colour;
this.age=age;
}
public void print()
{
System.out.println("名字："+this.name+"\n"+"颜色："+this.colour+"\n"+"年龄："+this.age);
}
}
class Demo01
{
public static void main(String args[])
{
Dog dog=new Dog("米奇","黑色",3);
dog.print();
}
}

class User
{
private String name;
private String password;
private static int count=0;
public User()
{
count++;
}
public User(String name)
{
count++;
this.name=name;
}
public User(String name,String password)
{
count++;
this.name=name;
this.password=password;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name=name;
}
public String getPassword()
{
return password;
}
public void setPassword(String password)
{
this.password=password;
}
public void print()
{
System.out.println("用户个数："+count);
System.out.println("用户名："+this.name+"\t"+"密码："+this.password);
}
}
public class Demo02
{
public static void main(String args[])
{
User user1=new User("Ann","12845");
user1.print();
User user2=new User("Ken","12445");
user2.print();
User user3=new User("Jane","12345");
user3.print();
}
}

第四次作业

标签：

原文地址：http://www.cnblogs.com/yanyuying/p/5367703.html