java练习

package use;

//import com.x.Dog;  需要用到那个类，就导入那个类
import com.x.*;  // 导入包下的所有类

public class user {
    public static void main(String[] args) {
        Dog dog = new Dog();

        com.y.Dog dog1 = new com.y.Dog();

        "hello".equals("aaa");
        System.out.println();
    }
}

class Person{
    String name;
    int age;
    double ala;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public double getAla() {
        return ala;
    }

    public void setAla(double ala) {
        this.ala = ala;
    }


}