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Java Programming for the IBM Enterprise

Duration

7 hours

Overview

This course is intended for experienced Mainframe Programmers, particularly COBOL programmers who need to be able to use Java as an alternative language to COBOL and to use Java to extend enterprise systems to the Internet. A breakdown of code commonly used with Java programming is supplied, providing equivalent COBOL examples along the way.

Audience

Experienced Mainframe Programmers, particularly COBOL programmers

Prerequisites

Knowledge and experience of a procedural mainframe programming language, preferably COBOL. An understanding of Object Orientation, Java structures, and environments.

Objectives

    After completing this course, the student will be able to:
  • Understand Java as an alternative language to COBOL. (Java structures will be compared and contrasted to their COBOL equivalents.)
  • Use Java to extend enterprise systems to the Internet.

Course Content

Defining Data

Java Primitive Data Types

COBOL Equivalent Data Types
Literals
Constants
Strings
Class Variables
Variable Scope
Casting

Working with Classes

Creating an Instance of a Class
Class Structure
Class and Instance Variables
Constructors
Overloading
Garbage Collection
Finalizers

Subclasses and Arrays

Hierarchy, Inheritance, and Abstract Classes
Creating and Implementing the Subclass
Overriding Methods
Arrays of Primitives
Arrays of Classes
Array Manipulation

Exceptions

How Exceptions are Handled and Coded
Passing Exceptions on
Triggering Exceptions
Java Error Classes
Creating Exception Classes

Computation

Arithmetic Operators
Bitwise Operators
Wrapper Classes
The Math Class
The NumberFormat Class

Decisions and Loops

If, Then, Else Structures
Nested Ifs
Case Structures
While Loops
Do Loops
For Loops
Nested Loops

Basic G.U.I. Methods

Abstract Windowing Toolkit (AWT)
GUI Classes
Graphic Classes
Geometric Classes
Layouts
Listeners
Producing GUI Applications
Producing an Applet to Run in a Browser

Swing

Swing Classes and AWT
Lightweight and Heavyweight Components
Pluggable Look and Feel (PLAF)
Converting an AWT Application to a Swing Application
Converting an AWT Applet to a Swing Applet

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