题目

Given the ActionEvent， which method allows you to identify the affected component？（）
A、 GetClass.

B、 GetTarget.

C、 GetSource.

D、 GetComponent.

E、 GetTargetComponent.

答案

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A user’s laptop does not produce sound even though the volume settings are at maximum in theoperating system. Which of the following would MOST likely resolve this issue?（）

A、A new sound card

B、A new speaker

C、A BIOS update

D、A hardware volume control

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In your production database， data manipulation language （DML） operations are executed on theSALES table. You have noticed some dubious values in the SALES table during the last few days. Youare able to track users， actions taken， and the time of the action for this particular period but the changesin data are not tracked. You decide to keep track of both the old data and new data in the table along withthe user information. What action would you take to achieve this task（）

A、Apply fine-grained auditing.

B、Implement value-based auditing.

C、Impose standard database auditing to auditobject privileges.

D、Impose standard databaseauditing to audit SQL statements.

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在Java语言中，不能注释多行内容的符号是（）。

A、以//开始的注释

B、以/*开始，*/结束的注释

C、以/**开始，*/结束的注释

D、以上都不能

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实例初始化块是在该类的构造方法之后执行的。