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Question Detail

Runnable is

  • Class
  • Method
  • Variable
  • Interface

Answer: Option D

Similar Questions :

1. Which method of java is invoked by JVM to reclaim the inaccessible memory location

  • reclaim() method
  • final() method
  • finalize() method
  • both b and c

Answer: Option C

2. Converting a primitive type data into its corresponding wrapper class object instance is called

  • boxing
  • wrapping
  • instantiation
  • autoboxing

Answer: Option D

3. Which driver is efficient and always preferable for using JDBC applications

  • Type-4 driver
  • Type-3 driver
  • Type-2 driver
  • Type-1 driver

Answer: Option A

4. In Runnable, many threads share the same object instance

  • True
  • False

Answer: Option A

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

  • 4
  • 3
  • 5
  • 2

Answer: Option C

Read more from - Java Objective Questions Answers -Chapter 1
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