Tip Bank

Question: Is there a simple way of copying a file from one directory to another? Answer: There is no predefined convenient method for copying a file from oneplace to another.

Question: Why do I have to catch an exception when I use System.in.read()? Answer: System.in is an InputStream, and like any InputStream, an I/O errormay occur when you read from

Question: Are there any guidelines for what the directory structure of a Java-based project should be? Answer: The only real guidelines govern the layout of your source code. Yourdirectories should

Question: I’m using a catch(exception e). When I come in the catch-block and print the message belonging to the exception, I receive the message “9exception.” What does it mean? Answer:

Question: Can you point me at or come up with a generic class that allows date manipulation and storage without running into OS-specific or February 29 or Y2K issues? Answer:

Question: How can I change the form used to print tasks? I would like it to print more than one line of notes. Answer: The standard form for printing a

Question: When I use onstat -d, the message “No response from server process” pops up. Then I can’t shutdown the database or do any other jobs. I could use dbaccess,

Pop-up menus in normal HTML pages are usually implemented using Layers (DIV tag). However, the leading browser applications in the market have this known problem with layers: if a pop-up

The fastest way to do mouseover/mouseout image changes for hyperlinks would be the following: You can see that when your mouse goes over and off of the hyperlink, it changes