Table of Contents

3.   Java Lecture 3

3.1   Arrays
3.2   Polymorphism - Interfaces

3.2.1   Writing an Interface
3.2.2   Comparison: Inheritance vs. Polymorphism

3.3   Exception Handling

3.3.1   Multiple Exceptions
3.3.2   Exception Inheritance
3.3.3   Implementing Exceptions

3.4   Data Structures

3.4.1   Vector
3.4.2   Hashtable

3.5   Homework Assignment 3 - Employee Database

3.5.1   Driver class
3.5.2   Recommended work-flow
3.5.3   Submission instructions

3.6   Homework 3 Solutions

3. Java Lecture 3

In this lecture, we will discuss Arrays, other pre-defined data structures in Java (Hashtables, Vectors), Enumerations, Polymorphism (Interfaces), Exception Handling, I/O Streams, References, and JavaDoc.