The amount of database programming depends on the application but it can be quite time-consuming and can involve a lot of 'donkey-work'. Database interaction requires the creation of specialised data access objects. These objects are responsible for firing the appropriate SQL statements at your...
Applets are deemed to be untrusted and as such there are certain restrictions in their use concerning the file system. They are not allowed to:
1. Read/write to the local file system
2. Delete files on the local file system
3. Rename files on the local file system
4. Create directories
5. Read...
Check out this utility. It takes one or more tables and creates Java sources with all the methods you need to query, insert,delete or update the records in your database tables.
http://java.isavvix.com/codeexchange/codeexchange-viewdetail.jsp?id=7
Have a look at the o'reilly website at:
http://examples.oreilly.com/javanut/section7/GetURLInfo.java
This shows you how to get a url. Hope this helps! :)
As far as I am aware MS are no longer writing any updates/fixing bugs for J++. If you have a look at the J++ section at www.microsoft.com you will see that the technical articles there are a few years old now!!
I believe MS are trying to push the java extensions of .Net as the 'new' flavour...
There are a few ways you could do this but the simplest thing to do is to calculate a new total each time a list item is changed. See the code below.
public void itemStateChanged(ItemEvent check) {
//reset the total, our list has changed
totalPrice=0;
//get the...
A few differences off the top of my head
1. The MS JVM is windows only
2. It uses its own WFC classes which 'wrap' many windows functions such as registry access
3. Sun jdk 1.1 is supported, no Swing support
4. ActiveX is supported
5. Very importantly. MS no longer support J++!!
Hope this...
There are a variety of free graphics packages that allow you
to set the alpha(transparent) colour in a GIF.
Have a look in www.tucows.com for a suitable application.
Hope you get rid of your rectangle blues :-)
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