Basic Level day 2 Part A

Table of Contents

Basic Level day 2 Part A

Aims

Exceptions

Exceptions

try - catch - finally Statement

Exception Handling Example

RuntimeExceptions

Errors

Creating Exception Types

"throw" an Exception

Java’s Packages

Java’s Source Files

Accessing classes in other packages

Packages and the CLASSPATH

Name spaces

Modifiers for Class Name-space

Modifiers for Methods and Field name-space

Final Modifier

Design Classes for Extension

Summary

Quiz

Exercises

Basic Level day 2 Part B

Aims

Using Java’s Packages

Java’s Packages

java.lang

Example 1: Time Counter for a key press

2. java.io

Example 2 :Write a String to a File

java.util

Example 3: Using a Vector

java.net

Example 4: Fetch and print the first 30 lines of an HTML page

java.awt

PPT Slide

PPT Slide

Summary

Quiz

Exercises

Basic Level day 2 Part C

Aims

Applets - Applications

Applets Basics

HTML containing Applets

Applets Apps and the JVM

Applet : Important methods

Applet : A first Example

Applet : A first Example

Painting into Graphics

Painting into Graphics Example

Painting into Graphics Example

Event Handling Simply

Mouse Events

Keyboard Events

A Scribble Example

A Scribble Applet Example

Passing Values from HTML

Security Restrictions for Applets

Placing an Applet in an Application

Summary

Quiz

Exercises

PPT Slide

Basic Level day 2 Part D

Aims

Difficulties Learning Java

How to improve

The 10 most common bugs

Where to find info

What to use :

How to troubleshoot

Summary

Exercise

PPT Slide

PPT Slide

Email: azt@cs.nott.ac.uk

Home Page: www.cs.nott.ac.uk/~azt