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Hash code: It is a value returned by a hash function. A hash code can be employed as an index into a random-access data structure, offering a proficient mapping between an object and its position. Emp
Hardware: It is the physical devices of a computer system, like its micro-chips, keyboard, disk drives, printer, sound card, and so forth. It is termed `hardware' in contrary to programs, which are te
Graphical User Interface: A Graphical User Interface (abbreviated as GUI) is a part of a program which permits user interaction through graphical components, like menus, buttons, text areas, and so fo
Global variable: It is a phenomenon which is more generally regarded as being a trouble in structured programming languages than in object-oriented languages. In structured programming language, like
Garbage collector: It is a daemon thread which recycles objects to which there are no extant references in a program.
Functional programming: It is a style of programming related with languages like Haskell. The functional programming languages are more strongly tied to a mathematical concept of `function' than imper
Fully evaluating operator: An operator which computes all of its arguments to generate an outcome. Standard arithmetic operators, like +, are totally evaluating. In contrary, some Boolean operators, l
Fully qualified class name: The name of a class, comprising any package name and including class name. The class outline is as follows: package oddments; class Ou
Formal argument: The definition of a method’s argument is the part of a method header. Each and every formal argument has an associated type. Whenever a method is called, the actual argument val
For loop: This is one of the Java's three control structures employed for looping. The other two are while loop and do loop. A for loop includes of a loop header and a loop body. The header comprises
First in, first out: It is FIFO semantics of the queue data structure. Items are eliminated in the order in which they arrived in the queue; therefore older items are always eliminated before newer on
Final variable: A variable with final reserved word in its declaration. The final might not assigned to once it has been initialized. Initialization frequently occurs as a part of its declaration. Tho
Final method: This is a method with the final reserved word in its header. The final method might not be overridden by a method stated in a sub class.
Finally clause: This is a part of try statement which is always executed, either subsequent the handling of caught exception, and normal termination of the protected statements.
Finalization: Instantly before an object is garbage collected, its finalize method is called. This offers it the opportunity to free any resources it may be holding on to.
Final class: This is the class with final reserved word in its header. A final class might not be extended by the other class.
Filter stream: It is an input-output class which filters or manipulates its stream of input- or output-data in some manner. Two illustrations are: DataInputStream and DataOutputStream.
File Transfer Protocol: The File Transfer Protocol (abbreviated as FTP) states a standard set of rules which make it probable to transfer a file from one file system to the other.
File system: The operating system makes it possible to utilize space on a computer's disk drives by imposing a structured file system on disk storage. Each and every file system contains its own conve
Define the term Field: Variables stated within a class or interface, exterior of the methods. The fields are members of a class.
Fetch-execute cycle: The simple set of steps which are endlessly recurring by a computer's Central Processing Unit for each and every program instruction: `Fetch the next instruction suggested by the
Factory pattern: A pattern of class definition which is employed as a generator of instances of other classes. Frequently employed to form platform- or locale-particular implementations of abstract cl
Expression: It is a combination of operands and operators which generates a resultant value. Expressions contain a resulting type that affects the context in which they might be employed.
Exclusive-or operator: An exclusive-or operator (^) is both a Boolean operator and the bit manipulation operator. The Boolean version provides the value true when only one of its operands is true; or
Exception handler: It is a try statement which acts as an exception handler - a place where exception objects are dealt and caught with.