August 29, 2000

Imagine you have an enormous object serialized on disk that you are using in memory, or that object is loaded in memory. You want to allow the garbage collector (GC)

One of the easier ways of implementing an event-driven programming model is through passing function pointers which are invoked when an event occurs. But because Java doesn’t support the notion

Debugging is a core part of application development in Java. Programmers tend to use System.out.println & System.err.println in the code everywhere, which becomes uncontrolled as the program evolves. This becomes

If you’ve tried using the Java Plugin to test your Applets and got a mysterious “Security Exception,” then you’ve run into a known, but unadvertised bug. For a complete description

Accessor methods are those methods which provide access to the values stored in instance field. Mutable objects are those objects which providen certains methods which can change the instance data

Question: How do I make a child window go behind its parent window when a button is clicked? I know self.focus() brings a window forward. I need the opposite of

Question: How do I block an e-mail address from sending messages to our server? A former employee keeps sending messages from his outside account to our current employees. I have

Question: I am using onblur method on text fields. Based on Validation I want to put the focus back on field. function fldfocus(fldname) {if (navigator.appName==”Netscape”) {document.Layers[fldname].Focus();else {document.all[fldname].focus();}} On Netscape it

Question: In order to have better maintainability and optimum performance, how many levels of inheritance do you recommend ? Answer: Performance is not affected by the depth of inheritance. The