What is meant by polymorphism?
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What is the difference between interface & abstract class?
I have an HashMap object, which has with key and value pair. It has 10 keys and values in that object. Now the question is I want insert new key and value in middle or any where in that list but not at the end or at the top. Is it possible or not. If yes how can we achieve this one?
String and stringbuffer both represent string objects. Can we compare string and stringbuffer in java?
What is a boolean structure?
What is the use of a conditional inclusion statement in Java ?
What is exception propagation?
What is return type in java?
java Technical questions asked by JPMC
What is the Vector class?
Define immutable object?
What is Transient and volatile
When will you define a method as static?