1. CS 225 Section 1 Spring 2009

2. Topics Software design Correctness and Efficiency Inheritance Data structures –Lists, Stacks, Queues –Trees –Sets, Maps Recursion Sorting

3. Java Applications A java application consists of one or more classes –Each class is in a separate file –Use the main class to start the application

4. What you should know Basic Syntax –structure of a class –structure of a method –control structures if-else switch loops –visibility modifiers You should be able to –use both primitive and object types –define object types –write methods –use control structures –use arrays –handle exceptions

5. Java API Java comes with an extensive collection of classes that are already written –Look at the documentation for these classes online /usr/local/java/docs/api/index.html http://java.sun.com/javase/6/docs/api/ Use a class from the Java library by importing it import java.packageName.ClassName;

6. Development Environments Command line –gvim/emacs –javac –java Integrated Development Environment –provides access to all the tools from a single interface –Eclipse (3.3.2)

7. Eclipse A development environment for Java –written in Java Open source –http://www.eclipse.org/downloads Extendible –Plug-ins can be added to support new functionality

8. Eclipse Workbench Provides the basic graphical interface Divided up into views –Navigator shows all projects –Editor has panes for all open files Views are organized into perspectives –a perspective contains a set of views that are needed for a particular task Java perspective, debug perspective, …