What is data persistence in java?
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Why doesn’t the main method throw an error with no arguments?
Explain suspend() method under thread class>
What is optional in java 8? What is the use of optional?advantages of java 8 optional?
Write a class which checks whether a given number is prime or not. Write another class to implement the behavior of previous class and print the series of twin prime number upto a given range.
What is meant by code profiling?
If you’re overriding the method equals() of an object, which other method you might also consider?
Where are group policies stored? : java security
What are the new features about Java se 8 ?
What services can invoke lambda?
What is default constructor in java?
Is java Class Thread safe ???? How to make java Class Thread safe ??
When do we go for java 8 stream api? Why do we need to use java 8 stream api in our projects?