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Which class cannot be subclassed (or extended) in java?

  • abstract class
  • parent class
  • Final class
  • None of above

Answer: Option C

Similar Questions :

1. Which metrhods are utilized to control the access to an object in multi threaded programming

  • Asynchronized methods
  • Synchronized methods
  • Serialized methods
  • None of above

Answer: Option B

2. What is meaning of jar

  • java archived
  • java array
  • java architecture
  • none of these

Answer: Option A

3. How many transaction isolation levels are defined in java.sql.Connection interface

  • 4
  • 3
  • 5
  • 2

Answer: Option C

4. Which of the following command is used to compile the Java program

  • java
  • javac
  • javap
  • none of these

Answer: Option B

5. In which we clone the object and their constituent parts

  • Shallow cloning
  • Deep cloning
  • Both of above
  • None of above

Answer: Option B

Read more from - Java Objective Questions Answers -Chapter 1