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Welcome to the java util MCQs Page

Dive deep into the fascinating world of java util with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of java util, a crucial aspect of Java Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of java util, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Java Programming.

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Check out the MCQs below to embark on an enriching journey through java util. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Java Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of java util. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

java util MCQs | Page 8 of 18

Q71.
Which of these method is used to calculate number of bits required to hold the BitSet object?
Discuss
Answer: (b).length()
Q72.
Which of these is a method of class Date which is used to search whether object contains a date before the specified date?
Discuss
Answer: (c).before()
Q73.
Which of these methods is used to retrieve elements in BitSet object at specific location?
Discuss
Answer: (a).get()
Q74.
What is the output of this program?
    import java.util.*;
    class Bitset
    {
        public static void main(String args[])
        {
            BitSet obj = new BitSet(5);
            for (int i = 0; i < 5; ++i)
                obj.set(i);
            obj.clear(2);
            System.out.print(obj);
        }
    }
Discuss
Answer: (a).{0, 1, 3, 4}
Q75.
What is the output of this program?
    import java.util.*;
    class Bitset 
    {
        public static void main(String args[])
        {
            BitSet obj = new BitSet(5);
            for (int i = 0; i < 5; ++i)
                obj.set(i);
            obj.clear(2);
            System.out.print(obj.length() + " " + obj.size());
        }
    }
Discuss
Answer: (b).5 64
Discuss
Answer: (a).RMI allows us to invoke a method of java object that executes on another machine
Q77.
Which of these package is used for remote method invocation?
Discuss
Answer: (b).java.rmi
Q78.
Which of these methods are member of Remote class?
Discuss
Answer: (d).None of the mentioned
Q79.
Which of these Exceptions is thrown by remote method?
Discuss
Answer: (a).RemoteException
Q80.
Which of these class is used for creating a client for a server-client operations?
Discuss
Answer: (c).AddClient.java

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