Java bytecode: Difference between revisions

Revision as of 21:37, 7 December 2008

Revision as of 12:51, 12 December 2008

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'''Java bytecode''' is the form of instructions that the [[Java virtual machine]] executes. Each [[bytecode]] instruction or opcode is one byte in length; however, not all of the possible 256 instructions are used. In fact, [[Sun Microsystems]], the original creators of the [[Java (programming language)|Java programming language]], the [[Java virtual machine]] and other components of the Java Runtime Environment (JRE), have set aside a number of3 values to be permanently unimplemented.<ref name="reserved_opcodes">[http://java.sun.com/docs/books/jvms/second_edition/html/Instructions.doc.html#60105 VM Spec - Reserved Opcodes]</ref>

== Relation to Java ==