I’m confused with JIT compiler,
- What is JIT compiler?
- JIT compiler compiles byte codes before each execution or each time JVM loads?
I’m confused with JIT compiler, What is JIT compiler? JIT compiler compiles byte codes
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I’m confused with JIT compiler,
JIT stands for “Just In Time”. It’s a compiler that translates Java bytecode to native machine code as your program runs.
Sun’s JIT does not compile all your bytecode up front each time you run a Java program; it contains some very sophisticated logic to decide when to compile parts of the bytecode, one of the criteria it uses is how often the code is executed.
See Just-in-time compilation and HotSpot (Wikipedia) for more details.