Java - JDK,JRE,JVM - JVM Quiz

What is the extension of java code files?

• 1]

  .class

• 2]

  .java

• 3]

  .txt

• 4]

  .js

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

• 1]

  JVM

• 2]

  JDK

• 3]

  JIT

• 4]

  JRE

Which component is responsible to optimize bytecode to machine code?

• 1]

  JVM

• 2]

  JDK

• 3]

  JIT

• 4]

  JRE

What is the extension of compiled java classes?

• 1]

  .class

• 2]

  .java

• 3]

  .txt

• 4]

  .js

How can we identify whether a compilation unit is class or interface from a .class file?

• 1]

  Java source file header

• 2]

  Extension of compilation unit

• 3]

  We cannot differentiate between class and interface

• 4]

  The class or interface name should be postfixed with unit type

What is use of interpreter?

• 1]

  They convert bytecode to machine language code

• 2]

  They read high level code and execute them

• 3]

  They are intermediated between JIT and JVM

• 4]

  It is a synonym for JIT

JVM Stands for  ________________.

• 1]

  Java Virtual Management

• 2]

  Java Virtual Memory

• 3]

  Java Virtual Machanism

• 4]

  Java Virtual Machine