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  2. Criticism of Java - Wikipedia

    en.wikipedia.org/wiki/Criticism_of_Java

    Before Java 7, the installers would not remove older Java installations. It was common on a Windows system to see multiple installations of Java on the same computer. [48] [49] [50] Multiple installations were permitted and could be used by programs that rely on specific versions, including malicious programs. This issue was addressed in Java 7 ...

  3. Comparison of programming languages (associative array)

    en.wikipedia.org/wiki/Comparison_of_programming...

    The OptimJ programming language is an extension of Java 5. As does Java, Optimj provides maps; but OptimJ also provides true associative arrays. Java arrays are indexed with non-negative integers; associative arrays are indexed with any type of key.

  4. List of Java bytecode instructions - Wikipedia

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

    create new array with count elements of primitive type identified by atype: nop 00 0000 0000 [No change] perform no operation pop 57 0101 0111 value → discard the top value on the stack pop2 58 0101 1000 {value2, value1} → discard the top two values on the stack (or one value, if it is a double or long) putfield b5 1011 0101

  5. Tuple - Wikipedia

    en.wikipedia.org/wiki/Tuple

    A 1-tuple and a 2-tuple are commonly called a singleton and an ordered pair, respectively. The term "infinite tuple" is occasionally used for "infinite sequences". Tuples are usually written by listing the elements within parentheses "( )" and separated by commas; for example, (2, 7, 4, 1, 7) denotes a 5-tuple. Other types of brackets are ...

  6. Error message - Wikipedia

    en.wikipedia.org/wiki/Error_message

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  7. Fatal exception error - Wikipedia

    en.wikipedia.org/wiki/Fatal_exception_error

    This operating-system -related article is a stub. You can help Wikipedia by expanding it.

  8. Stack (abstract data type) - Wikipedia

    en.wikipedia.org/wiki/Stack_(abstract_data_type)

    The first element, usually at the zero offset, is the bottom, resulting in array[0] being the first element pushed onto the stack and the last element popped off. The program must keep track of the size (length) of the stack, using a variable top that records the number of items pushed so far, therefore pointing to the place in the array where ...

  9. Heap pollution - Wikipedia

    en.wikipedia.org/wiki/Heap_pollution

    [2] Heap pollution in Java can occur when type arguments and variables are not reified at run-time. As a result, different parameterized types are implemented by the same class or interface at run time. All invocations of a given generic type declaration share a single run-time implementation. This results in the possibility of heap pollution. [2]