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  2. Boxing (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Boxing_(computer_programming)

    However, the compiler automatically transforms the code so that the list will "silently" receive objects, while the source code only mentions primitive values. For example, the programmer can now write list. add (3) and think as if the int 3 were added to the list; but, the compiler will have actually transformed the line into list. add (new ...

  3. Type conversion - Wikipedia

    en.wikipedia.org/wiki/Type_conversion

    C and C++ perform such promotion for objects of Boolean, character, wide character, enumeration, and short integer types which are promoted to int, and for objects of type float, which are promoted to double. Unlike some other type conversions, promotions never lose precision or modify the value stored in the object. In Java:

  4. Data type - Wikipedia

    en.wikipedia.org/wiki/Data_type

    For example, Java's numeric types are primitive, while classes are user-defined. A value of an atomic type is a single data item that cannot be broken into component parts. A value of a composite type or aggregate type is a collection of data items that can be accessed individually. [ 6 ]

  5. Variable-length array - Wikipedia

    en.wikipedia.org/wiki/Variable-length_array

    The GNU Compiler Collection (GCC) for C allocates memory for VLAs with automatic storage duration on the stack. [5] This is the faster and more straightforward option compared to heap-allocation, and is used by most compilers. VLAs can also be allocated on the heap and internally accessed using a pointer to this block.

  6. Primitive data type - Wikipedia

    en.wikipedia.org/wiki/Primitive_data_type

    The set of basic C data types is similar to Java's. Minimally, there are four types, char, int, float, and double, but the qualifiers short, long, signed, and unsigned mean that C contains numerous target-dependent integer and floating-point primitive types. [15]

  7. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    The C language provides the four basic arithmetic type specifiers char, int, float and double (as well as the boolean type bool), and the modifiers signed, unsigned, short, and long. The following table lists the permissible combinations in specifying a large set of storage size-specific declarations.

  8. long double - Wikipedia

    en.wikipedia.org/wiki/Long_double

    Compilers may also use long double for the IEEE 754 quadruple-precision binary floating-point format (binary128). This is the case on HP-UX , [ 4 ] Solaris / SPARC , [ 5 ] MIPS with the 64-bit or n32 ABI , [ 6 ] 64-bit ARM (AArch64) [ 7 ] (on operating systems using the standard AAPCS calling conventions, such as Linux), and z/OS with FLOAT ...

  9. List of arbitrary-precision arithmetic software - Wikipedia

    en.wikipedia.org/wiki/List_of_arbitrary...

    Programming languages that support arbitrary precision computations, either built-in, or in the standard library of the language: Ada: the upcoming Ada 202x revision adds the Ada.Numerics.Big_Numbers.Big_Integers and Ada.Numerics.Big_Numbers.Big_Reals packages to the standard library, providing arbitrary precision integers and real numbers.