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  2. List of Java bytecode instructions - Wikipedia

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

    convert a double to a float: d2i 8e 1000 1110 value → result convert a double to an int d2l 8f 1000 1111 value → result convert a double to a long dadd 63 0110 0011 value1, value2 → result add two doubles daload 31 0011 0001 arrayref, index → value load a double from an array dastore 52 0101 0010 arrayref, index, value →

  3. 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 .

  4. Double-precision floating-point format - Wikipedia

    en.wikipedia.org/wiki/Double-precision_floating...

    Double-precision floating-point format (sometimes called FP64 or float64) is a floating-point number format, usually occupying 64 bits in computer memory; it represents a wide range of numeric values by using a floating radix point. Double precision may be chosen when the range or precision of single precision would be insufficient.

  5. JIS X 0208 - Wikipedia

    en.wikipedia.org/wiki/JIS_X_0208

    A row number and a cell number (each numbered from 1 to 94, for a standard JIS X 0208 code) form a kuten point, which is used to represent double-byte code points. A code number or kuten number (区点番号, kuten bangō) is expressed in the form "row-cell", the row and cell numbers being separated by a hyphen.

  6. Bytecode - Wikipedia

    en.wikipedia.org/wiki/Bytecode

    Bytecode (also called portable code or p-code) is a form of instruction set designed for efficient execution by a software interpreter.Unlike human-readable [1] source code, bytecodes are compact numeric codes, constants, and references (normally numeric addresses) that encode the result of compiler parsing and performing semantic analysis of things like type, scope, and nesting depths of ...

  7. Java syntax - Wikipedia

    en.wikipedia.org/wiki/Java_syntax

    32-bit (4-byte) 0.0f [4] double: java.lang.Double: floating point number ±4.94065645841246E−324 through ±1.79769313486232E+308 64-bit (8-byte) 0.0: boolean: java.lang.Boolean: Boolean true or false: 1-bit (1-bit) false: char: java.lang.Character: UTF-16 code unit (BMP character or a part of a surrogate pair) '\u0000' through '\uFFFF' 16-bit ...

  8. Type conversion - Wikipedia

    en.wikipedia.org/wiki/Type_conversion

    In the C family of languages and ALGOL 68, the word cast typically refers to an explicit type conversion (as opposed to an implicit conversion), causing some ambiguity about whether this is a re-interpretation of a bit-pattern or a real data representation conversion. More important is the multitude of ways and rules that apply to what data ...

  9. Shift JIS - Wikipedia

    en.wikipedia.org/wiki/Shift_JIS

    Shift JIS is an extension of the single-byte encoding JIS X 0201:1997, that uses unassigned code points in JIS X 0201 to encode the double-byte JIS X 0208:1997 character set. The lead bytes for the double-byte characters are "shifted" around the 64 halfwidth katakana characters in the single-byte range 0xA1 to 0xDF .