Abstract Data Type; Model of a certain class of data structures that have similar behavior.
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Abstraction
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The process of hiding all but the most relevant data in a program to reduce complexity and increase efficiency. Objects remain a representation of the original, with unwanted details excluded.
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Abstract Class
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Class that cannot be instantiated. Only purpose is if you have common code to use in sub classes.
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Access Transparency
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A type of pervasive computing where we will be surrounded by computers everywhere we go that will help us with anything and everything.
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Absolute File Name
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A file name that specifies all directory names starting from the root of a file system tree.
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Abstract Method
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A method that has no implementation. Declares an access modifier, return type, and method signature.
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Access Path
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Describes the order in which the rows are retrieved from a database file.
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Abstract Window Toolkit(AWT)
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Set of application program interfaces(API's)used by Java programmers to create GUI objects like buttons, scroll bars, and windows. Part of the Java Foundation Classes(JFC)
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Access Rights
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A bit flag that corresponds to a specific set of operations that a thread can perform on a securable object. If a thread tries to perform an operation, but doesn't have the right access rights, the system denies the operation.
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Access Method
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A function of the mainframe that enables access to data on a disk, tape, or other external devices. Allows API's for programmers to transfer data to or from a device.
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Keyed Access
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A type of access path when file rows need to be processed in an ordered manner.
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Arrival Sequence
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A type of access path; When rows in a file are accessed in a physical sequence.