What are the two ways to create a thread?
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What is use of functional interface in java 8? Explain
How does regex work?
How do you write a scanner class in java?
What is %02d?
Can we print null in java?
Why char array is favored over string for the storage of passwords?
what is for datainputstream?
Can you extend more than one interface?
What is the is a and has a relation ship in oops concept in java?
What is the range of the char type?
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?
Difference between overriding and overloading in java?