Define how destructors are defined in java?
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What is ternary operator in java?
How does map works in java?
What is JFC?
Can array grow dynamically in java?
What is the advantage of functional interface in java 8?
What is the function of compareto in java?
Explain, java is compatible with all servers but not all browsers?
is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?
Explain the concept of polymorphism with examples?
What is exception hierarchy in java?
What are autoboxing and unboxing? When does it occur?
how can you retrive information from database by using hashmap/arraylist ,plz explain with example briefly?