Advance Your Skills with Java Exam Online with Certification

Challenge yourself with the Java Exam Online to assess and demonstrate your skills, whether you’re a beginner or experienced. Gain helpful insights, recognize areas for improvement, and earn recognition—all from the comfort of home or anywhere.

1 Hour

Mid - Level

450+ Students Certified

1000 Rs - Special Offer

1 Hr

Mid - Level

450+ Certified

1000 Rs
Special Offer

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Java Exam

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1) In which package is the Scanner class located in Java?

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2) Which of the following interfaces does Java’s List interface extend?

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3) What does the isPresent() method do in Optional?

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4) What is the purpose of the ‘clone()’ method in Java?

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5) What is the result of the following expression in Java: 10 / 3?

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6) What is the difference between equals() and ==?

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7) Which of the following collections is thread-safe in Java?

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8) Which of the following is true about constructors in Java?

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9) What is the result of the expression 3 + 2 + "Java"?

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10) What is the size of a char in Java?

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11) Which of the following is the correct syntax to create an object of a class in Java?

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12) Which of the following is a marker interface in Java?

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13) What is the output of the following code?
int[] arr = new int[5];
System.out.println(arr[0]);

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14) What is the size of an ‘int’ data type in Java?

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15) Which method is used to remove an element from the end of a stack in Java?

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16) What will be the output of the following code?
System.out.println(10 / 3);

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17) Which method is used to compare two strings in Java?

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18) Which of the following is the correct way to create a thread in Java?

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19) What is the difference between HashMap and Hashtable?

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20) What is the default value of a boolean variable in Java?

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21) Which of the following statements is used to terminate a loop in Java?

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22) What is the result of the expression 5 > 3 && 2 < 4 in Java?

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23) Which exception is thrown when an object is used before initialization?

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24) Which class is used to read input from the console in Java?

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25) Which of the following is not a valid Java identifier?

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26) Which class provides the method sleep() in Java?

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27) What is the key benefit of using Streams?

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28) Which method is used to start a thread in Java?

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29) What is the size of a float variable in Java?

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30) Which of the following statements about Java exceptions is true?

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31) Which of the following is the parent class of the Exception class in Java?

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32) Which of the following classes are used to represent date and time in Java?

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33) Number of primitive data types in Java are?

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34) Which of the following statements is true about the ‘this’ keyword in Java?

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35) What is the difference between wait() and sleep() methods?

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36) Which of the following is used to handle errors in Java?

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37) Which of the following is true about the final keyword in Java?

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38) What happens if a thread’s start() method is called twice?

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39) Which collection class does not allow duplicate elements?

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40) What is the result of the following operation in Java: 5 % 2?

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41) Which of the following is the correct declaration of a constant in Java?

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42) What happens when an exception is not caught in Java?

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43) What is the return type of the hashCode() method in Java?

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44) Which of the following is a valid constructor for an ArrayList?

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45) Which of the following operators can be used to compare two objects for equality in Java?

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46) What is the time complexity of retrieving a value from a HashMap?

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47) What is the purpose of the transient keyword?

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48) What is the purpose of a lambda expression in Java?

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49) What type of inheritance is allowed in Java?

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50) What is the purpose of the ‘transient’ keyword in Java?

Process to Earn Certificate

  1. Enroll into the exam
  2. Buy the exam with the required fee
  3. Fill the form to start the exam
  4. Answer all the MCQ’s
  5. Check navigation bar before you submit the exam
  6. Final result will be shared on email which you had mentioned in the form
  7. If you pass the exam, then only you will receive certificate in result email.

Additional Details (Caution)

  1. You can’t retake the exam with same User ID
  2. Add correct detail in form or else you can’t receive the result and certificate
  3. Check the timer and navigation bar before you submit
  4. Don’t change the tabs in between exam it might be directly submitted
  5. If the java certificate is not attached to your email, you can directly send an email to the admin

Benefits of Enrolling in Java Exam

Recognition for Java skills.
Validated expertise in Java.
Industry recognized certification.
Professional growth opportunities.
Boost your resume.

Target Audience

Students and beginners looking to enhance their Java skills.
Professionals seeking to validate their Java expertise for career advancement.
Developers wanting to demonstrate their proficiency in Java for job opportunities.
Freelancers who need to showcase their Java capabilities to potential clients.
Anyone interested in improving their Java knowledge for personal or professional growth.

Course Objectives

Can understand the basics concepts and principles
Can identify areas for improvement in your Java skills
Earn a recognized assessment of your Java expertise
Can identify and fix common errors
Earn a completion certificate