Java - Class Access

Java module J709

Class Access

Exercises, examples and other material relating to training module J709. 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]

When should I use Java, Perl, PHP, or Python?

Java is a good language for bigger systems ... teams of programmers writing bits of code that interact with each other. In fact, Java is so well tuned ...

http://www.wellho.net/mouth/2535_Whe ... thon-.html [short article]

Inner class example

// Well House Consultants, 2004. /** inner classes */ public class luckington { public static void main(String[] args) { System.out.println("Short ...

http://www.wellho.net/resources/ex.php4?item=j709/luckington.java [code sample]

Where is my Java class?

Exception in thread "main" java.lang.NoClassDefFoundError: Gerald OK - so where did Java look, and where should it have looked? Java looks for classes ...

http://www.wellho.net/mouth/2419_Whe ... lass-.html [short article]

Who can use which access door?

Anyone can come to our front door and ring the bell. It's then up to us whether we admit them to the house, or deal with them at the door. You can describe ...

http://www.wellho.net/mouth/874_Who- ... door-.html [short article]

In order to provide the security of data and methods within classes, Java limits access through "the four Ps" Ð private, package, protected and public. Correct design of your objects and correct specification of the right "P" ensures that you can make all necessary methods and data available to users of your class, while at the same time hiding your internal workings.

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

Examples from our training material

luckington.java

Inner class example

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

Private, public, protected.
Inner classes.
"finalize" method.

Complete learning

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