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This week’s system design refresher:
Python vs Java
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Python vs Java
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Ever wondered what happens behind the scenes when you run a Python script or a Java program? Let’s find out:
Python (CPython Runtime):
Python source code (.py) is compiled into bytecode automatically in memory.
Bytecode can also be cached in .pyc files, making re-runs faster by using the cached version.
The Import System loads modules and dependencies.
The Python Virtual Machine (PVM) interprets the bytecode line by line, making Python flexible but relatively slower.
Java (JVM Runtime):
Java source code (.java) is compiled into .class bytecode using javac.
The Class Loader loads bytecode into the Java Runtime Environment (JVM).
Bytecode is verified and executed.
JVM uses both an Interpreter and a JIT Compiler, frequently used code (hot paths) is converted into native machine code, making Java faster.
Over to you: Do you prefer the flexibility of Python or the performance consistency of Java?
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