What are all the languages which support oop?
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What are the problems faced by the developer using object oriented programming language?
In winform my controls [taskbar and progressbar] become inactive when heavy processing is going in background, how to avoid this via multithreading
What are abstract classes?
A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?
Difference between encapsulation and data hiding ?
What is a try/ catch block?
What is the main advantage of using inheritance?
What is the use if instanceof keyword? And how do refer to a current instance of object?
What does the keyword virtual represented in the method definition?
What is data abstraction? what are the three levels of data abstraction with Example?
What is the difference between function overloading and over riding?
What is the order of call of constructors in inheritiance?