What is a virtual function in C++? Simply put, the virtual keyword enables a function to be 'virtual' which then gives possibility for that function to be overridden (redefined) in one or more descendant...
How to create a Singleton class: Q) What is a singleton class? A) In simple words, a singleton class is a class which can have only one instance at any point of time throughout the application and provides...
Mathematics is based on formulas and method to use them.The practice make you perfect in this subject. Prepare according to syllabus, try to solve old papers, revise the concept you learned and try to...
Java platform overview Java platform components The Java platform consists of the following components. The Java language Like any programming language, the Java language has its own structure, syntax...