Java Feb 16

  1. not
    • Not(false) = true;
    • not (true) = false
  2. object
    • Object
    • is a combination of data (called data members) and the operations (called methods) that can be performed on or with that data
  3. Common categories of operations are:
    Constructors … create the object

    Mutator methods: to assign/change data members

    Accessor methods: to return data members

    Methods used within the object (another method calls the method);

    Methods unique for that set of data
  4. Object-oriented programming (OOP)
    programming approach in which units of data are viewed as active “objects” instead of the passive units from procedural paradigm
  5. OCR, Optical character recognition (reader)
    devices and software used to “read” characters and translate into ASCII characters for later processing.

    Ex: scanning printed documents to convert text into digital ASCII text that can be edited
  6. OMR forms
    optical mark and read forms
  7. on-line
    when user has access to a computer via a terminal
  8. On-line processing (interactive)
    • processing in which all operations are performed by equipment directly under the control a central processor.
    • Ex: airline reservations.
  9. operating system
    software that controls the execution of programs and that may provide services such as resource allocation, scheduling, input/output control and data management.
  10. operator precedence
    in programming languages, order relation that determines the sequence or order that operations are performed in an expression

    Ex: 3 + 4 * 5 = 23, because of operator precedence; multiplication first, then addition
Card Set
Java Feb 16
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