The Class Path property editor and Boot Class Path property editor both set the path that the IDE uses to find source libraries.
The Boot Class Path property editor sets the path to the Java system libraries that the IDE uses when compiling programs. By default the IDE uses the default Java platform to compile sources. You should set this property when you want a compiler or Ant script to compile sources against a different Java platform.
The Class Path property editor sets the path to the sources that the IDE uses. By default the IDE uses its internal class path, which includes all mounted filesystems and various directories in the IDE's installation and user directories. The IDE ignores your CLASSPATH environment variable. You can set the specific class path that the IDE uses with the Class Path property editor. This setting overrides the IDE's internal class path.
Both the Class Path property editor and the Boot Class Path property editor use absolute paths. If you want to use environment variables in your path, such as {java.home}, type the path into the property in the property sheet instead of opening the property editor and browsing to the directory.
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External Compiler
fastjavac Compiler Internal Compiler Jikes Compiler |