May 2024
Intermediate to advanced
889 pages
37h 5m
English
Content preview from Java Programming by Pearson
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36 • Java Programming
The Java compiler reads Java language source (.java) fi les, translates the source into Java bytecodes and
places the bytecodes into class (.class) fi les. The compiler generates one class fi le per class in the source.
Java
compiler
javac
Java
bytecodes
Java source
Figure 2.11 How Java compiler converts Java source into Java bytecodes
To the JVM, a stream of bytecodes is a sequence of instructions. Each instruction consists of a one-
byte opcode and zero or more operands. The opcode tells the JVM what action to take. If the JVM
requires more information to perform the action than just the opcode, the required information ...
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