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)

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