Sun Certified Java Associate (SCJA) Certification

Sun Certified Java Associate (SCJA) Certification provides an ideal entry into an application development or a software project management career using Java technologies. It validates basic knowledge of OO concepts, the Java programming language and general knowledge of Java platforms and technologies.

To achieve this certification, candidates must successfully complete one exam. 


To successfully get SCJA certifications, you should be able to:

  • Create programs using a procedural language, such as C, or a scripting language, such as Perl
  • Create and edit text files using a text editor
  • Use a World Wide Web (WWW) browser
  • Solve logic problems
  • Describe the concept of a variable
  • Execute commands using a command-line interface

What you need to study in order to prepare for this exam:

1 - Explaining Java Technology

  • Describe key concepts of the Java programming language
  • List the three Java technology product groups
  • Summarize each of the seven stages of the product life cycle

2 - Analyzing a Problem and Designing a Solution

  • Analyze a problem using object-oriented analysis
  • Design classes from which objects will be created

3 - Developing and Testing a Java Technology Program

  • Identify the four components of a class in the Java programming language
  • Use the main method in a test class to run a Java technology program from the command line
  • Compile and execute a Java technology program

4 - Declaring, Initializing, and Using Variables

  • Identify the use the syntax for variables and define the syntax for a variable
  • List the eight Java programming language primitive data types
  • Declare, initialize, and use variables and constants according to Java programming language guidelines and coding standards
  • Modify variable values using operators
  • Use promotion and type casting

 - Creating and Using Objects

  • Declare, instantiate, and initialize object reference variables
  • Compare how object reference variables are stored in relation to primitive variables
  • Use a class (the String class) included in the Java Software Developer Kit (SDK)
  • Use the Java Platform, Standard Edition (Java SE) class library specification to learn about other classes in this application programming interface (API)

6 - Using Operators and Decision Constructs

  • Identify relational and conditional operators
  • Create if and if/else constructs
  • Use the switch construct

7 - Using Loop Constructs

  • Create while loops
  • Develop for loops
  • Create do/while loops

8 - Developing and Using Methods

  • Describe the advantages of methods and define worker and calling methods
  • Declare and invoke a method
  • Compare object and static methods
  • Use overloaded methods

9 - Implementing Encapsulation and Constructors

  • Use encapsulation to protect data
  • Create constructors to initialize objects

10 - Creating and Using Arrays

  • Code one-dimensional arrays
  • Set array values using length attribute and a loop
  • Pass arguments to the main method for use in a program
  • Create two-dimensional arrays

11 - Implementing Inheritance

  • Define and test your use of inheritance
  • Explain abstraction
  • Explicitly identify class libraries used in your code