Java Objective Questions Answers -Chapter 1 Online Quiz Test

• 1. JAR file contains the compressed version of

  1. .java file
  2. .class file
  3. .jsp file
  4. None of above

• 2. Process of creating exact copy of the existing object is called
  
  

  1. cloning
  2. overloading
  3. overriding
  4. coping

• 3. Which is the predefined package

  1. Lang package
  2. io package
  3. util package
  4. All of above

• 4. Java intermediate code is known as

  1. First code
  2. Mid code
  3. Byte code
  4. None of above

• 5. Which command is used for interpretation of java program

  1. Java
  2. javac
  3. javap
  4. none of above

• 6. What is meaning of jar

  1. java archived
  2. java array
  3. java architecture
  4. none of these

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

  1. java
  2. javac
  3. javap
  4. none of these

• 8. What do you mean by javap

  1. java compiler
  2. java Interpreter
  3. java Disassemble
  4. java debugger

• 9. what is jdb

  1. java compiler
  2. java Interpreter
  3. java Disassemble
  4. java debugger

• 10. Java is known as _______stage language

  1. One
  2. Two
  3. Three
  4. Four

• 11. Which driver is called as thin-driver in JDBC

  1. Type-1 driver
  2. Type-2 driver
  3. Type-3 driver
  4. Type-4 driver

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

  1. 4
  2. 3
  3. 5
  4. 2

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

  1. reclaim() method
  2. final() method
  3. finalize() method
  4. both b and c

• 14. ____ allows java code to run in the JVM to call and be called by native applications

  1. JFI
  2. JNI
  3. NJI
  4. FJI

• 15. Interfaces helps in which type of inheritance

  1. Multiple inheritance
  2. Multilevel inheritance
  3. Hierarchical inheritance
  4. None of above

• 16. If nested try is possible

  1. Yes
  2. No

• 17. Applet always executed on

  1. Client side
  2. Server Side

• 18. Which method of the Applet class displays the result of applet code on screen

  1. run() method
  2. paint() method
  3. drawString() method
  4. main() method

• 19. There is no default transaction attribute for an EJB

  1. False
  2. True

• 20. Which command disassembles a class file

  1. javaamd
  2. javacmd
  3. java
  4. javap