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Information hiding: The practice of making sure that only as much information is exposed regarding the implementation of a class as is strictly needed. Hiding needless knowledge of implementation makes it not as much of likely that other classes will
Overriding for restriction: It is a form of method overriding in which the sub-class version of a method calls the super-class version first of all and then employs or manipulates the outcome or consequences of that call in some manner.
Aliases: It is a multiple references to a single object. Messages might be sent to the object through any of its aliases. The resultant state modifications will be detectable by all.
Explain what is meant by the Class Selector in the CSS?
Java Virtual Machine (JVM): It is an idealized machine whose instruction set comprises of bytecodes. Java program is compiled to an equal bytecode form and performed on an interpreter that implements the JVM.
Explain Downcast with example: It is a cast towards an object's dynamic kind - that is, `down' the inheritance hierarchy. For illustration: // Downcast from Object to String
Aren't HTML, SGML, and XML all very similar things?
Define the term Mutual recursion: Recursion which outcomes from two methods calling one other recursively.
Real number: It is a number with an integer and a fractional portion. The primitive types double and float are employed to symbolize real numbers.
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 C or Pascal, a global variable is one stated outsid
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