题目内容

Java合集框架中的所有具体类实现了_____________接口.

A. 可克隆的接口Cloneable
B. 可序列化的接口Serializable
C. 可比较的接口Comparable
D. 可比较的接口Comparator

查看答案

搜索结果不匹配？点我反馈

更多问题

iterator()方法由__________接口定义的?

A. Iterator
B. Collection
C. Iterable
D. ArrayList

假设线性表list1=[1,2,5]和list2=[2,3,6].代码list1.addAll(list2)执行后,list2是__________.

A. [1,2,2,3,5,6]
B. [1,2,3,5,6]
C. [1,5]
D. [2]
E. [2,3,6]

假设一个线性表包含元素{"red","green","red","green"}.下列代码执行后,线性表是______________?Stringelement="red";for(inti=list.size()-1;i>=0;i--)if(list.get(i).equals(element))list.remove(element);

A. {"red","red","green"}
B. {"red","green"}
C. {"green","green"}
D. {"green"}
E. {}

以下__________数据类型不实现Collection接口?

A. HashSet
B. TreeSet
C. ArrayList
D. LinkedList
E. Map