O'Reilly logo

Sun Certification Training Guide (310-025, 310-027): Java™ 2 Programmer and Developer Exams by Jamie Jaworski

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Apply Your Knowledge

Review Questions

1:What is a Java package, and how is it used?
2:What is a compilation unit?
3:How are Java source code files named?
4:What restrictions are placed on the location of a package statement within a source code file?
5:Which package is always imported by default?
6:What is the return type of a program's main() method?
7:What is the argument type of a program's main() method?
8:Which non-Unicode letter characters can be used as the first character of an identifier?
9:Which characters can be used as the second character of an identifier, but not as the first character of an identifier?
10:Are true and false keywords?
11:Is null a keyword?
12:Is sizeof a keyword?
13:Name the eight primitive Java types.
14:What is the range of ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required