- 狗的一个类,包括 名字，颜色，年龄；典型的java类的一段代码
class Dog {
private String name;
private String color;
private int age;
public Dog(){}
public Dog(String name,String color,int age){
this.name = name;
this.color = color;
this.age = age;
}
public String getInfo(){
return "?的名字:" + this.name + ",颜色:" + this.color + ",年龄:" + this.age;
}
}
public class HelloWorld {
public static void main(String[] args){
Dog dog = new Dog("旺财","白色",20);
System.out.println(dog.getInfo());
}
}