1、单选题：
Which edition of Java is geared toward developing large-scale, distributed networking applications and web-based applications? ( )
选项：
A:Standard Edition.
B:Micro Edition.
C:Enterprise Edition.
D:Industrial Edition.
答案: 【Enterprise Edition.】

2、单选题：
Java was originally developed for: ( )
选项：
A:Intelligent consumer devices.
B:Distributed computing.
C:Operating systems development.
D:Personal computers.
答案: 【Intelligent consumer devices.】

3、单选题：
Which of the following statements about Java Class Libraries is false: ( )
选项：
A:An advantage of using Java class libraries is saving the effort of designing, developing and testing new classes.
B:Java class libraries are not portable
C:Java class libraries are also known as Java APIs (Application Programming Interfaces).
D:Java class libraries consist of classes that consist of methods that perform tasks.
答案: 【Java class libraries are not portable】

4、单选题：
The .class extension on a file means that the file: ( )
选项：
A:is produced by the Java compiler (javac).
B:Contains HTML
C:None of the above.
D:Contains java source code
答案: 【is produced by the Java compiler (javac).】

5、单选题：
The command ________ executes a Java application. ( )
选项：
A:javac
B:java
C:None of the above
D:run
答案: 【java】