public class java1 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Dog dog =new Dog("大黄","黄",10);
dog.tell();
}
}
class Dog{
private String name;
private String colour;
private int age;
public Dog(String name,String colour,int age){
this.setName(name);
this.setColour(colour);
this.setAge(age);
}
public void tell(){
System.out.println("名字："+getName()+",颜色:"+getColour()+",年龄:"+getAge());
}
public String getName(){
return name;
}
public void setName(String n){
name = n;
}
public String getColour(){
return colour;
}
public void setColour(String c){
colour = c;
}
public int getAge(){
return age;
}
public void setAge(int a){
age = a;
}
}
public class Java2 {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
User user1=new User("李四","131415");
user1.print();
User user2=new User("张三","215451");
user2.print();
new User().count();
}
}
class User
{
private String name;
private String password;
private static int count;//count用于统计个数必须用static 声明成全局属性
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("用户名："+name+"\t"+"口令："+password);
}
public void count(){
System.out.println("用户个数："+(count-1));
}
}
