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  2. Java bytecode - Wikipedia

    en.wikipedia.org/wiki/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 .

  3. List of Java bytecode instructions - Wikipedia

    en.wikipedia.org/wiki/List_of_Java_bytecode...

    push 1L (the number one with type long) onto the stack ldc 12 0001 0010 1: index → value push a constant #index from a constant pool (String, int, float, Class, java.lang.invoke.MethodType, java.lang.invoke.MethodHandle, or a dynamically-computed constant) onto the stack ldc_w 13 0001 0011 2: indexbyte1, indexbyte2 → value

  4. Java syntax - Wikipedia

    en.wikipedia.org/wiki/Java_syntax

    The syntax of Java is the set of rules defining how a Java program is written and interpreted. The syntax is mostly derived from C and C++ . Unlike C++, Java has no global functions or variables, but has data members which are also regarded as global variables .

  5. Java (programming language) - Wikipedia

    en.wikipedia.org/wiki/Java_(programming_language)

    Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers write once, run anywhere (), [16] meaning that compiled Java code can run on all platforms that support Java without the need to recompile. [17]

  6. Magic number (programming) - Wikipedia

    en.wikipedia.org/wiki/Magic_number_(programming)

    In computer programming, a magic number is any of the following: A unique value with unexplained meaning or multiple occurrences which could (preferably) be replaced with a named constant A constant numerical or text value used to identify a file format or protocol (for files, see List of file signatures )

  7. Java (software platform) - Wikipedia

    en.wikipedia.org/wiki/Java_(software_platform)

    (Instead, Google's Android development tools take Java programs as input and output Dalvik bytecode, which is the native input format for the virtual machine on Android devices.) The last Critical Path Update version of JRE with an Oracle BCL Agreement [ 30 ] was 8u201 and, the last Patch Set Update version with the same license was 8u202.

  8. List of JVM languages - Wikipedia

    en.wikipedia.org/wiki/List_of_JVM_languages

    This list of JVM Languages comprises notable computer programming languages that are used to produce computer software that runs on the Java virtual machine (JVM). Some of these languages are interpreted by a Java program, and some are compiled to Java bytecode and just-in-time (JIT) compiled during execution as regular Java programs to improve performance.

  9. Standard streams - Wikipedia

    en.wikipedia.org/wiki/Standard_streams

    Standard output is a stream to which a program writes its output data. The program requests data transfer with the write operation. Not all programs generate output. For example, the file rename command (variously called mv, move, or ren) is silent on success. Unless redirected, standard output is