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Tip Bank

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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

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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,

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JTable Headers

Question: I would like to add an icon to the header of a column of a JTable indicating the direction the column is currently sorted. Answer: It can be pretty

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RMI method invocation

Question: I want my RMI server application to populate a java.awt.List with data on the client with a method invocation. What’s the best way to do this? Answer: When writing

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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

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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.