How does compareto method work?
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Define an abstract class with reference to java.
Can a constructor call another constructor?
What is role of void keyword in declaring functions?
What code optimizations techniques you follow in general practice?
2 Answers Accenture, TCS, Wipro,
Define nashorn in java8.
Explain implementation and how is it different from conversion?
What is the concatenation operator in java?
Is it compulsory for a try block to be followed by a catch block in java for exception handling?
What is keyset in java?
Can keyword be used as identifier?
IN java collections we have both interfaces and classes. instead of using interfaces why we can't use classes only like that why we can't use interfaces only. why we need two things interface and class.
Can you call a private data from an inner class?