Which OOPS concept is used as a reuse mechanism?
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State some of the advantages of object oriented programming?
If there is a conflict between base class method definition and interface default method definition, which definition is picked?
What's the main difference between arraylist / hashmap and vector / hashtable?
What do you mean by abstract classes?
State two differences between an object and a class.
Explain the mechanism of composition?
What is meant by function overloading and function overriding?
How can I be thrown polymorphically?
What is ‘this’ pointer?
Can we access interface static method using interface references?
What is diamond inheritance problem? How java 8 solves this problem?
What is bootstrap, extension and system class loader?