Java认证模考试题(十)

来源:java认证发布时间:2012-11-12 12:47:32java认证视频

Question: 48


A Button is positioned in a Frame. Its size is not affected when the Frame is resized. Which layout manager should be used?


A. FlowLayout

B. CardLayout

C. North and South of BorderLayout

D. East and West of BorderLayout

E. GridLayout

Explanation:


The size of the components is not constrained by the FlowLayout manager. When the area is resized the size of these components is not changed.

Correct Answer: A 48 of 60

Question: 49


Which methods can get the event source in the WindowEvent?


A. getFrame()

B. getID()

C. getSource()

D. getWindow()

Explanation:


The methods getSource() and getWindow() can be used to get the event sources of the window events.

Correct Answer: C,D 49 of 60

 Question: 50


Which statements of the event listener are true?


A. Multiple listeners can be attached to one component.

B. Only one listener can be attached to one component.

C. One listener can receive and process the events from multiple components.

D. One listener can receive and process the events from only one component.

Explanation:


One component can registers one or more listeners. One listener can be registered by multiple components. After being registered the listener can receive and process the events from these components.

Correct Answer: A,C 50 of 60

 

上一页123下一页

视频学习

我考网版权与免责声明

① 凡本网注明稿件来源为"原创"的所有文字、图片和音视频稿件,版权均属本网所有。任何媒体、网站或个人转载、链接转贴或以其他方式复制发表时必须注明"稿件来源:我考网",违者本网将依法追究责任;

② 本网部分稿件来源于网络,任何单位或个人认为我考网发布的内容可能涉嫌侵犯其合法权益,应该及时向我考网书面反馈,并提供身份证明、权属证明及详细侵权情况证明,我考网在收到上述法律文件后,将会尽快移除被控侵权内容。

最近更新

社区交流

考试问答