Name some languages which have object oriented language and characteristics?
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explain the difference between operator overloading and function overloading.
Is iterator a class or interface? What is its use?
How can we restrict inheritance for a class so that no class can be inherited from it?
What is @functionalinterface?
Can we reduce the visibility of the inherited or overridden method ?
What's the main difference between arraylist / hashmap and vector / hashtable?
What is the super keyword?
What is the use of ‘finalize’?
Explain about inheritance in oops?
What is the base type from which all structs inherit directly?
What is an abstraction and why is it important?
What is the difference between an Abstract class and Interface?