葫芦的运维日志

---

public class BasicContainer {

     public static void main(String[] args) {
          Person p1 = new Person();//以无参构造器产生实例
          Person p2 = new Person("mike",22,1);//以有参构造器形式产生实例
     }

}

class Person{
     String name;
     int age,sex;
     public Person() {//无参构造函数
     }
     public Person(String name, int age, int sex) {//有参构造函数
          super();
          this.name = name;
          this.age = age;
          this.sex = sex;
     }
}

 

打赏