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"Why do the java.awt libraries require a functional X Server?"

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The Abstract Window Types libraries (AWT) are there to provide basic Windows-Type graphical facilities for Java programmers to send graphics to an end user. The UNIX version of these libraries is specifically created to use the X Server to render these graphics. So, to answer the question in its simplest form: The java.awt libraries are actually wrapper classes to produce graphics based on the X Server operating environment. This means to produce graphics, such as PNG & JPEG files, run the awt libraries from an X Server environment.

One IDAutomation customer was able to use Sun JDK 1.4.1 on Linux in headless mode. IDAutomation Java Barcode Products have been modified to be compatible with headless operation as of April 2, 2003.

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