OOP IT-B-B2 Quiz-1

Which component is used to compile, debug and execute java program?

• JVM

• JDK

• JIT

• JRE

Which component is responsible for converting bytecode into machine specific code?

• JVM

• JDK

• JIT

• JRE

Which component is responsible to run java program?

• JVM

• JDK

• JIT

• JRE

Which component is responsible to optimize bytecode to machine code?

• JVM

• JDK

• JIT

• JRE

Which statement is true about java?

• Platform independent programming language

• Platform dependent programming language

• Code dependent programming language

• Sequence dependent programming language

What is the extension of java code files?

• .class

• .java

• .txt

• .js

What is the extension of compiled java classes?

• .class

• .java

• .txt

• .js

What is Java Virtual Machine (JVM)?

• It is a physical machine and a specification which provides runtime environment for java bytecode execution.

• It is an abstract machine and a specification which provides runtime environment for java bytecode execution.

• It is a abstract machine and a implementation which provides runtime environment for java sourcecode compilation.

• It is a physical machine and a implementation which provides runtime environment for java sourcecode compilation.

What are the main operations of JVM?

• 1) To load code

  2) To compile code

  3) To executes code

  4) To provide runtime environment.

• 1) To compile code

  2) To load code

  3) To Executes code

  4) To provide runtime environment.

• 1) To debug code

  2) To compile code

  3) To Executes code

  4) To provide runtime environment.

• 1) To load code

  2) To Verify code

  3) To Executes code

  4) To provide runtime environment.

What is a Java Runtime Environment (JRE) ?

• It is a implementation of JVM and physically exists with bundles of libraries.

• It is a specification of JVM and physically exists with bundles of libraries.

• It is a implementation of JVM and virtually exists with bundles of libraries.

• It is a implementation of JRE and physically exists with bundles of libraries.