Question

Which of these class object uses the key to store value? (a) Dictionary (b) Map (c) Hashtable (d) All of the mentioned This question was posed to me in an international level competition. I need to ask this question from Java.util 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

Right choice is (d) All of the mentioned To explain I would say: Dictionary, Map & Hashtable all implement Map interface hence all of them uses keys to store value in the object.