What's the main difference between arraylist / hashmap and vector / hashtable?


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More OOAD Interview Questions

What are abstract functions? Why are they used?

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Write down how will you create a Binary tree?

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How many methods are there in the externalizable interface?

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What is a nested interface?

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Difference: Object Oriented Analysis (OOA) and Object Oriented Design (OOD)?

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Can you tell something about GDI objects?

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What is the default access modifier in a class?

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Where shall I go for Package Diagram?

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Why do we separate interface from implementation?

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Why dynamic binding is used in object-oriented programming?

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What do you mean by Realization?

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