This section simply lists a few tools that can help in troubleshooting certain types of issues. For more information on these and other tools, see the Java SE Troubleshooting Guide.
Performance: Benchmarks, profilers, DTrace, Java probes.
FootPrint: jhat, jmap, profilers.
Crashes: Native debuggers.
Hangs: JConsole, jstack, Control+Break.
Font-rendering: Font2DTest (delivered with the JDK in demo/jfc/Font2DTest)
