欲构造ArrayList类的一个实例,此类继承了List接口,下列()是正确的。A.ArrayListmyList=new Object
欲构造ArrayList类的一个实例,此类继承了List接口,下列()是正确的。
A.ArrayListmyList=new Object();
B.List myList=new ArrayList();
C.ArrayList myList=new List();
D.List myList=new List();
欲构造ArrayList类的一个实例,此类继承了List接口,下列()是正确的。
A.ArrayListmyList=new Object();
B.List myList=new ArrayList();
C.ArrayList myList=new List();
D.List myList=new List();
A.ArrayList myList=new Object();
B.List myList=new ArrayList();
C.ArrayList myList=new List();
D.List myList=new List();
A.ArrayList myList=new Object();
B.List myList=new ArrayList();
C.ArrayList myList=new List();
D.myList=new List();
A.ArrayList myList=new Object();
B.List myList=new ArrayList();
C.ArrayList myList=new List();
D.List myList=new List();
A.ArrayList myLis=new Object():
B.List myList--new ArrayList():
C.ArrayList myList=new List();
D.myList=new List();
A.ArrayList myList = new Object();
B.List myList = new ArrayList();
C.ArrayList myList = new List();
D.List myList = new List();
A.ArrayList myList = new Object();
B.List myList = new ArrayList();
C.ArrayList myList = new List();
D.List myList = new List();
A.ArrayList myList=new Object();
B.List myList=new ArrayList();
C.ArrayList myList=new List();
D.List myList=new List();
A.ArrayListmyList=newObject();
B.ListmyList=newArrayList();
C.ArrayListmyList=newList();
D.ListmyList=newList();
A.在java中允许多重继承
B.在java中一个类只能实现一个接口
C.在java中一个类不能同时继承一个类和实现一个接口
D.java的单—继承使代码更可靠