The Apache Commons HttpClient class allows Java developers to invoke and test their web-based applications without any need for HTML, JavaScript or a web browser. The following class uses the Apache ...

How to use the javap command. Most users of the javap tool are interested in decompiling a class and viewing the disassembled bytecode. Here’s how to use the javap tool to view bytecode instructions:.

As the above screen snapshot indicates, the class dustin.examples.Person exists in both the src2 directory and (not shown here) in the src directory (“duplicate class: dustin.examples.Person”).

Various Java tools (e.g., jar) and APIs have been modified to support multi-release JAR files. For example, the java.net.URLClassLoader class has been enhanced to read selected versions of class ...