Tip Bank

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.

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

If you want to play a sound when someone visits your Web page, an effective, simple, browser-independent approach is to insert a META refresh tag that loads the sound file.

A static member function does not receive an implicit this argument. It can be invoked even when no object instance exists: #include < ctime >using namespace std;class Clock {public: static

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,

Built-in arrays in C++ reside in contiguous chunks of memory. The Standard, however, does not guarantee that elements of a vector occupy contiguous memory. All current STL implementations store vector

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

Question: How can I make my Java application install its own colormap? Answer: The ability to allow a Java application to install its own colormap is not supported by the

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