Synopsis
Java 2 Programmer Certification 310-025: The java.lang Package describes the classes and interfaces of the java.lang package.

Audience
This course is for experienced Java programmers who are preparing to take the Sun Certified Programmer for the Java 2 Platform Examination 310-025.

Time
3 hours

Product Code: J25305
After completing Java 2 Programmer Certification 310-025: The java.lang Package, the user should be able to:

Identify the classes and interfaces provided by the java.lang package
Describe how the Object, Class, and System classes are used
Explain how the wrapped classes are used
Define the differences between the String and StringBuffer classes
Write code using the methods of the Math class

The Most Important Classes
The Object, Class, and Package classes
ClassLoader, Security Manager, Runtime
The System class

Wrapped Classes and Math Functions
The wrapped classes
The Math class

String and StringBuffer Classes
Differentiating String from StringBuffer
The StringBuffer class
Creating StringBuffers

Additional java.lang Classes
Threads and processes
The error-and-exception hierarchy
The Void and Compiler classes

This course has the following features:

Exercises that allow users to practice the skills needed to create Java programs
A file containing the text of the exercises
Activities that allow users to apply course concepts in an interactive questioning environment
A glossary
A Skill Assessment

Java 2 Programmer Certification 310-025: Java and Object-Oriented Fundamentals (J25301)
Java 2 Programmer Certification 310-025: Declarations, Flow Control, and Exception Handling (J25302)
Java 2 Programmer Certification 310-025: Classes, Interfaces, Methods, and Garbage Collection (J25303)
Java 2 Programmer Certification 310-025: Threads (J25304)

Java 2 Programmer Certification 310-025: The java.util Package (J25306)
Java 2 Programmer Certification 310-025: GUI Components and Containers of the java.awt Package (J25307)
Java 2 Programmer Certification 310-025: Layouts and Event Handlers of the java.awt Package (J25308)
Java 2 Programmer Certification 310-025: Graphic and Image Elements of the java.awt Package (J25309)
Java 2 Programmer Certification 310-025: The java.io Package (J25310)

Java is a registered trademark of Sun Microsystems, Inc.

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