Tip Bank

DevX

Beginning Swing-Based Applications

When you begin all Swing-based applications, you must set the look and feel and add a WindowListener so that when a user clicks on the exit box, the program exits.

DevX

Using JToggleButtons Inside the JToolBar

JToggleButtons work well when you want buttons that stay down or up inside the JToolBar. You can also make them behave like Radio buttons (only one button down at a

DevX

Suppress Trailing Zeros on Output

The format string “%f” in printf() call displays trailing zeros of its argument: float num = 1.33; printf( “%f”, num); // output: 1.330000 To get rid of the trailing zeros,

DevX

Converting IP Address Formats

Question: Is there a Java equivalent class or method for the Unix Internet address manipulation routines like inet_ntoa()? Answer: Java does not have direct analogs for the inet functions that

DevX

HTML File to Download CAB File

Question: I have a CAB file produced by Wise Installation System 7.0 that contains an application setup.exe. I need to create an HTML file that will download the CAB file.

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Absolute Layout Manager

Question: Do you know of any LayoutManager that would allow me to lay out components exactly where I want them, or any other way of doing so? Answer: There is