Explain Package declaration
Package declaration: It is a declaration employed to name a package. This should be the first item in the source file, preceding any import statements. For example, package java.lang;
Package declaration: It is a declaration employed to name a package. This should be the first item in the source file, preceding any import statements. For example,
package java.lang;
Abstract Windowing Toolkit: The Abstract Windowing Toolkit (AWT) offers a collection of classes which simplify the creation of applications with the GUI (graphical user interfaces). Such are to be found in the java.awt packages. Included are classes f
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 ones.
Pointer Arithmetic: C and C++ provide the ability to modify a pointer’s target address with arithmetic operations. This is used, for example, to index arrays. MyObject* P = ... Q : Explain Singleton pattern Singleton Singleton pattern: It is a pattern which permits us to make sure that only a single instance of a specific class exists at any one time. Such an instance is termed as singleton. The pattern can as well be employed whenever instances would have no excl
Singleton pattern: It is a pattern which permits us to make sure that only a single instance of a specific class exists at any one time. Such an instance is termed as singleton. The pattern can as well be employed whenever instances would have no excl
Define the term Array: It is a fixed-size object which can hold zero (0) or more items of the array's declared type.
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 classes or interfaces. This decreases coupling betwee
How can we start Array Index from Zero?
What are the differences between logical and physical address spaces?
Define the terms Test Object Model, Test Object and Run-Time object?
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 termed `software'.
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