Java - Exceptions

Java module J712

Exceptions

Exercises, examples and other material relating to training module J712. This topic is presented on public courses Learning to Program in Java, Java Bootcamp, Java Programming for the Web

Learning to Program in Java - training course - Writing Java programs for newcomers to programming.

Learning to Program in Java - Writing Java programs for newcomers to programming. This course introduces you to programming in the Java programming language. ...

http://www.wellho.net/course/sjfull.html [course]

Java Bootcamp - training course - An intense course on Java programming, Servlets and JSPs

Java Bootcamp - An intense course on Java programming, Servlets and JSPs This course introduces you to the Java programming language, and its Internet ...

http://www.wellho.net/course/bjfull.html [course]

Java Programming for the Web - training course - Learn to write server- or client-side applications in Java.

Java Programming for the Web - Learn to write server- or client-side applications in Java. This course introduces you to the Java programming language, ...

http://www.wellho.net/course/jpfull.html [course]

Final, Finally and Finalize - three special words in Java

A final method or variable is one that can't be overridden - you can define a method as final within a class to ensure that any extensions to the class ...

http://www.wellho.net/mouth/1066_Fin ... -Java.html [short article]

Exceptions in Java - why and how

Although it's common practise to include a static main test program in a class, it's something that newcomers can have some difficulty following ... so ...

http://www.wellho.net/mouth/2420_Exc ... d-how.html [short article]

errors v exceptions

It s said that between a half and 95% of a program will be given over to error checking. Indeed some of the web based programs on this site are little ...

http://www.wellho.net/solutions/general- ... tions.html [longer article]

What are exceptions - Python based answer

How do you check for run time errors in your program? You'll include tests with if statements in almost every program you write, to ensure that user ...

http://www.wellho.net/mouth/1875_Wha ... nswer.html [short article]

Your program is affected by the environment around it. Its performance will vary depending on aspects as diverse as user inputs and the availability (or lack) of a network service. Java provides you with exceptions, which are a mechanism through which you trap and handle behaviours that differ from the norm.

This topic is presented on public courses Learning to Program in Java, Java Bootcamp, Java Programming for the Web

Examples from our training material

E1.java	Class to which to add exception handling during practicals
neston.java	Catching an exception
wadswick.java	Sample program that will throw an exception, not catch it, and fail

Background information

This module is available under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

"trying" and "catching".
"throwing".
"finally".
Defining your own exceptions.

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