JavaCET is an API wrote in Java that allows to analyze Java source code and libraries, and control its execution and its trace in an integrated and comprehensible object-oriented way. It allows backwards execution.
WrapLog is a tiny Java logging package that can "wrap" around other logging packages, thus removing the need to stick to a certain one. This is particular useful for Java libraries that want to leave the choice for a logging packing to the client code.
Java Class and Byte Code verifier. Verifies static class file structure, external references, analyzes operand stack and local variables through byte code execution emulation. Includes CLDC standard verfication.
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A java class assambler. This program assembles java byte code instructions for the JVM, like MASM for the CPU. Knowledge of the java byte code instruction is strongly required.
FProfiler is a Java Profiler using log4j. Its very fast because it inserts the needed instructions into the byte-code of the class. It can be used to find "Hotspots" in Java programs, libs and servlet environments simply every Java class.
XTC4y is a collection of testing utilities for JavaCode. It currently provides classes to instanciate an abstract class for testing the implemented methods, an invocation stack tracing the calls on an interface and a LogClassLoader. NOTE: DEVELOPMENT ST
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Introspect on running programme, view and alter object fields and methods. Edit the code of any method at runtime; apply the changes to any combination of objects, such as an array, or a complete class. Complete rewrite underway available Jan 2007.
Quilt is a Java software development tool which measures coverage, the extent to
which testing exercises the software under test. It works very well with Ant and JUnit
but may also be used in conjunction with other products.
Cricket Cage automatically creates JUnit TestCases for repeatable bugs and test scenarios. Include Cricket Cage's AspectJ code to install a code generator, then run the program to generate the TestCase. Finally, add the test case to your build.xml.
ALF, The Automated Logging Framework, is a native logging framework for Java with the unique advantage of supporting automated method tracing. This platform-independent library allows developers to debug their applications quickly without adding code
Allows JDBC resources to be monitored. You can see when java.sql objects are being opened and closed and can see the line of code where a resource that is still open was originally opened.
Java-program to read, modify and execute class-files. a real java VM written in java or a decompiler for class-files is possible (and partially working)