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【简答题】
观看视频15.08和15.16,完成以下任务: 有一个集合,代码如下: Collection c=new ArrayList(); c.add("Go"); c.add("WuHan"); c.add("Go"); c.add("Chian"); 分别使用数组与迭代器的方式编程实现:遍历集合中的每一个元素,输出每一个元素的内容和长度。 编程实现一个Collection存储自定义对象并遍历的案例要求如下: 自定义对象可任意;使用Iterator迭代器;分别使用while和for循环进行遍历。 简述集合的使用步骤。 Iterator迭代器为什么不定义成一个类,而是一个接口?找到JDK中Iterator接口的next()方法的具体实现源码? 注意: 按题目顺序将代码复制在答案区(不能是截图),并上传程序结果截图,未按要求扣分。 如有雷同,计零分。
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参考答案：
举一反三
【单选题】If you do not wish to be sent product Information leaflets please tick this box ______ .
A.
Leave the box empty if you don't mind receiving information.
B.
Fill in the box if you need more information.
C.
Tick the box if you are happy with our products.
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【多选题】Please tick out the signs mentioned in the dialogue.
A.
B.
C.
D.
E.
F.
查看完整题目与答案
【单选题】If you do not wish to be sent product information leaflets, please tick this box ______ .
A.
Leave the box empty if you don't mind receiving information.
B.
Fill in the box if you need more information.
C.
Tick the box if you are happy with our products.
查看完整题目与答案
【单选题】Meanwhile, prison conditions have ______ and the public bas lost confidence in the criminal justice system.
A.
degraded
B.
dissipated
C.
decayed
D.
deteriorated
查看完整题目与答案
【判断题】AT89C51系列单片机有三个定时/计数器,分别为T0,T1,T2。
A.
正确
B.
错误
查看完整题目与答案
【多选题】Please tick the expressions about asking for information.
A.
May I help you?
B.
Is there anything I can do for you?
C.
No, thank. I'm just looking around ...
D.
What's on sale today?
E.
I'm sorry, we don't have any discount today.
F.
How much is it?
G.
What's the price of it?
查看完整题目与答案
【单选题】STC15 系列单片机是 ()T 的 51 单片机, T0 、 T1 和 T2 在单片机复位后,为兼容传统 51 单片机,都工作在 12T 工作方式 。
A.
12
B.
6
C.
2
D.
1
查看完整题目与答案
【单选题】Who can protest and does not is an accomplice in the act.
A.
the same as helping the criminal
B.
seldom useful to society
C.
one good way to fight evil
D.
more effective than individual protest.
查看完整题目与答案
【多选题】Please tick the contents in this video.
A.
What is poster
B.
The language features of poster
C.
The structure of a poster
D.
How to write a perfect poster
查看完整题目与答案
【单选题】51系列单片机的定时器T0用作定时器,采用工作方式2,则TMOD设置为( )。
A.
0x01
B.
0x10
C.
0x11
D.
0x02
查看完整题目与答案
相关题目：
【单选题】If you do not wish to be sent product Information leaflets please tick this box ______ .
A.
Leave the box empty if you don't mind receiving information.
B.
Fill in the box if you need more information.
C.
Tick the box if you are happy with our products.
查看完整题目与答案
【多选题】Please tick out the signs mentioned in the dialogue.
A.
B.
C.
D.
E.
F.
查看完整题目与答案
【单选题】If you do not wish to be sent product information leaflets, please tick this box ______ .
A.
Leave the box empty if you don't mind receiving information.
B.
Fill in the box if you need more information.
C.
Tick the box if you are happy with our products.
查看完整题目与答案
【单选题】Meanwhile, prison conditions have ______ and the public bas lost confidence in the criminal justice system.
A.
degraded
B.
dissipated
C.
decayed
D.
deteriorated
查看完整题目与答案
【判断题】AT89C51系列单片机有三个定时/计数器,分别为T0,T1,T2。
A.
正确
B.
错误
查看完整题目与答案
【多选题】Please tick the expressions about asking for information.
A.
May I help you?
B.
Is there anything I can do for you?
C.
No, thank. I'm just looking around ...
D.
What's on sale today?
E.
I'm sorry, we don't have any discount today.
F.
How much is it?
G.
What's the price of it?
查看完整题目与答案
【单选题】STC15 系列单片机是 ()T 的 51 单片机, T0 、 T1 和 T2 在单片机复位后,为兼容传统 51 单片机,都工作在 12T 工作方式 。
A.
12
B.
6
C.
2
D.
1
查看完整题目与答案
【单选题】Who can protest and does not is an accomplice in the act.
A.
the same as helping the criminal
B.
seldom useful to society
C.
one good way to fight evil
D.
more effective than individual protest.
查看完整题目与答案
【多选题】Please tick the contents in this video.
A.
What is poster
B.
The language features of poster
C.
The structure of a poster
D.
How to write a perfect poster
查看完整题目与答案
【单选题】51系列单片机的定时器T0用作定时器,采用工作方式2,则TMOD设置为( )。
A.
0x01
B.
0x10
C.
0x11
D.
0x02
查看完整题目与答案
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