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Sun Java Desktop System - Page 9 Questions & Answers
TextField Inputvalidation in java
This might give you a clue how to make an action listener that will do validation for your JTextField:
http://java.sun.com/developer/JDCTechTips/2001/tt1120.html
Good luck,
Milan
How to creat a report with java?
If you would like to create a report with java there are a couple of things that you could focus on using. You could either go for Crystal Reports, or even Jasper Reports or any other reporting kit for java. To download the Java Enterprises latest tool.. I need clarification with this one. Do you mean J2EE SDKs? if you do just go to the sun microsystems website and download it from there. To create an exe file... jars are normally the ones you get when you compile java codes. The best thing to do here is to create batch files to run your compiled java applications.
I am in new in unix operating system please suggest me
Try these links
http://www.debianhelp.co.uk/commands.htm
http://www.linuxlots.com/~jam/guide4.html
http://tldp.org/LDP/Linux-Filesystem-Hierarchy/html/
You will be familier with linux once you understand the files system...
Cant get a game to load
YOU HAVE A Choice of using 4 kinds of Javas 1. the default Java,2. SunJava, 3. unsigned version of the default Java. 4. Microsoft Java. I have also found this problem., it happens after you rebooted your computer after installing 6u1 version of java.
To fix this go to your controll panel>Add or Remove programs then look for java, you should have two different versions there, 5u11 and 6u1 uninstall 6u1 and reboot you computer.
Hope this helps.
J2SE
Many languages claim to be Object-Oriented. While the
exact definition of the term is highly variable
depending upon who you ask, there are several
qualities that most will agree an Object-Oriented
language should have:
1. Encapsulation/Information Hiding
2. Inheritance
3. Polymorphism/Dynamic Binding
4. All pre-defined types are Objects
5. All operations performed by sending messages to
Objects
6. All user-defined types are Objects
Fair enough...
Java IS by virtue of 1, 2, 3, and 6.
Java IS NOT by virtue of 4 and 5 (not all pre-defined types are Objects, and not all operations are performed by sending messages to Objects).
But since the definition says only that an OOPL should have these things, then Java qualifies.
Next up; given that definition, how would one define "100%"? Exhibiting all those qualities? If that's the case, Java fails the "purity test".
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