Java constant pool
From time to time I still read the java journal, sometimes the articles you can find are very esotheric.
java class file constant pool, this article explains that class files contains a table with some constants. This is quite normal, I remember is the same in windows executables or in linux binaries, there is always a table containing string constants numeric constants, function names etc.
I never imagined that it was so structured in java, that you have constants referencing classes and methods and these constants are used in the byte code so extensively. So if you have 15 minutes to spend on the articile, you will get some real exoteric knowledge.
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