Question

What does Collections.emptySet() return? (a) Immutable Set (b) Mutable Set (c) The type of Set depends on the parameter passed to the emptySet() method (d) Null object The question was asked in class test. My question is from Data Structures-Set in portion java.util – The Collections Framework of Java Select the correct answer from above options Java questions and answers, Java questions pdf, Java question bank, Java questions and answers pdf, mcq on Java pdf, Java questions and solutions, Java mcq Test , Interview Java questions, Java Questions for Interview, Java MCQ (Multiple Choice Questions),Core Java Questions, Core Java MCQ,core java interview questions for experiencedcore java interview questions for 3 years experience,java programming questions,core java interview questions for freshers,java interview questions and answers for freshers, java programming questions and answers pdf, java interview questions for beginners

Answer 1

Correct option is (a) Immutable Set To explain I would say: Immutable Set is useful in multithreaded environment. One does not need to declare generic type collection. It is inferred by the context of method call.