I want to measure the performance of a program which is compiled into a .class file. I do not access to the code to add stopwatch methods to it. Thank you.
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I want to measure the performance of a program which is compiled into a .class file. I do not access to the code to add stopwatch methods to it. Thank you.
You can:
use a profiler
call this Java code from another class, which you can write. You can access Java methods inside
.classfile without having the source codedecompile the
.classfile, inject watches and compile backuse compile- or load-time weaver and AOP to weave watches to existing classes (essentially does the same thing as above)