What is a functional interface?
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Difference between Interface & Abstract class?
What are the types of classes in java?
Can we have any code between try and catch blocks?
What is complexity and its types?
What are instance variables?
What is difference between hash mapping and hash table?
What is static keyword?
what is the default value of a variable char?(If not assigned)
Why would you desing a J2EE application so user data is entered by way of a JSP page and managed by an underlying Java Beans class?
what modifiers are used with top-level class?
What about member inner classes?
What are the kinds of polymorphism?