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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. Category:Articles with example Java code - Wikipedia

    en.wikipedia.org/wiki/Category:Articles_with...

    Template talk:Java; Java (programming language) Java annotation; Java API for XML Processing; Java class loader; Java collections framework; Java Modeling Language; Java Pathfinder; Java remote method invocation; Java syntax; Jakarta Transactions; Java version history; Template:Java/doc; JavaBeans; JavaFX; JFace; JGroups; Joins (concurrency ...

  4. List of Java bytecode instructions - Wikipedia

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

    reserved for breakpoints in Java debuggers; should not appear in any class file caload 34 0011 0100 arrayref, index → value load a char from an array castore 55 0101 0101 arrayref, index, value → store a char into an array checkcast c0 1100 0000 2: indexbyte1, indexbyte2 objectref → objectref

  5. Wildcard (Java) - Wikipedia

    en.wikipedia.org/wiki/Wildcard_(Java)

    Unlike arrays (which are covariant in Java [2]), different instantiations of a generic type are not compatible with each other, not even explicitly. [2] For example, the declarations Generic<Supertype> superGeneric; Generic<Subtype> subGeneric; will cause the compiler to report conversion errors for both castings (Generic<Subtype>)superGeneric and (Generic<Supertype>)subGeneric.

  6. Comparison of C Sharp and Java - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_C_Sharp_and_Java

    Files.readAllLines method returns a List of String, with the content of the text file, Files has also the method readAllBytes, returns an array of Strings. Files.write method writes byte array or into an output file, indicated by a Path object. Files.write method also takes care of buffering and closing the output stream. Notes on the C# ...

  7. Array programming - Wikipedia

    en.wikipedia.org/wiki/Array_programming

    In array languages, operations are generalized to apply to both scalars and arrays. Thus, a+b expresses the sum of two scalars if a and b are scalars, or the sum of two arrays if they are arrays. An array language simplifies programming but possibly at a cost known as the abstraction penalty.

  8. Foreach loop - Wikipedia

    en.wikipedia.org/wiki/Foreach_loop

    The C language does not have collections or a foreach construct. However, it has several standard data structures that can be used as collections, and foreach can be made easily with a macro. However, two obvious problems occur: The macro is unhygienic: it declares a new variable in the existing scope which remains after the loop.

  9. Jagged array - Wikipedia

    en.wikipedia.org/wiki/Jagged_array

    In computer science, a jagged array, also known as a ragged array [1] or irregular array [2] is an array of arrays of which the member arrays can be of different lengths, [3] producing rows of jagged edges when visualized as output.