Java第四次作業

		Dog dog=new Dog("哈士奇","黑白",2);System.out.println(dog);}}class Dog {private String name;private String color;private int age;public String getName(){return name;}public String getColor(){return color;}public int getAge(){return age;}public void setName(String name){this.name=name;}public void setColor(String color){this.color=color;}public void setAge(int age){this.age=age;}public Dog(String name,String color,int age){super();this.name=name;this.color=color;this.age=age;}public String toString(){return "狗的名字："+this.name+"，狗的顏色："+this.color+"，狗的年齡："+this.age;}
}

package core;
public class Y2 {public static void main(String[] args) {// TODO 自動生成的方法存根User user1=new User("黑王","545789");user1.print();User user2=new User("紅六","754582");user2.print();new User().count();}
}
class User
{private String name;private String password;private static int count;public User(){count++;}
public User(String name){this.name=name;count++;
}
public User(String name,String password){this.name=name;this.password=password;count++;
}
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("用戶名："+name+"\t"+"口令："+password);
}
public void count(){System.out.println("用戶個數："+(count-1));}
}