3回答

• 

  feixiaoduo

  2017-06-06 17:47:43

  内部类需要通过外部类来进行创建对象

  0 0
• 

  欲遇于雨

  2017-05-26 22:15:51

  package class61;

  public class person {
    String name,gender;
    int age;
    String getDetails(){
     return "姓名"+name+"性别"+gender+"年龄"+age;
    }
    public class Student extends person{
     String major;
     String getDetails(){
      return super.getDetails()+"专业"+major;
     }
     Student(String n,String g,int a,String m){
      name = n;
      gender = g;
      age = a;
      major = m;
     }
    }
    public static void main(String[] args) {
   person s1 = new person();
   Student s = s1.new Student("庄敏","女",20,"软件技术");
   System.out.println(s.getDetails());
    }
  }

  
  

  0 0
• 

  尘T陌

  2017-05-26 21:40:27

  你把代码复制上来，我好验证

  0 0