Introduction

Overview

Sideways Christmas Tree

Learning Objectives

• State the purpose and use of the Java Collections Framework

• List and describe the collection interfaces and classes provided by the Java Collections Framework

• Describe the general performance characteristics of an array

• Describe the general performance characteristics of a linked-list

• Describe the general performance characteristics of a hashtable

• Describe the general performance characteristics of a red-black tree

• Demonstrate your ability to utilize collections in your Java programs

• Utilize casting when retrieving an object from a Java 1.4.x collection

• Explain why Java generic collections reduce the need to cast retrieved objects

• Describe the differences between Java 1.4.x collections and Java 5 collections

• Describe and employ the new syntax required to declare a Java 5 collection reference

• Utilize the enhanced for loop to iterate over a Java 5 collection

• Describe the effects of primitive type autoboxing and unboxing