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Java bytecode
Java bytecode is the instruction set of the Java virtual machine (JVM), the language to which Java and other JVM-compatible source code is compiled.[1] Each instruction is represented by a single byte, hence the name bytecode, making it a compact form of data.[2]
Due to the nature of bytecode, a Java bytecode program is runnable on any machine with a compatible JVM; without the lengthy process of compiling from source code.
Java bytecode is used at runtime either interpreted by a JVM or compiled to machine code via just-in-time (JIT) compilation and run as a native application.
As Java bytecode is designed for a cross-platform compatibility and security, a Java bytecode application tends to run consistently across various hardware and software configurations.[3]
- ^ "Java Virtual Machine Specification". Oracle. Retrieved 14 November 2023.
- ^ Lindholm, Tim (2015). The Java Virtual Machine Specification. Oracle. ISBN 978-0133905908.
- ^ Arnold, Ken (1996). "The Java Programming Language". Sun Microsystems. 1 (1): 30–40.
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