Running Java Programs

Question 1

What does the Java Virtual Machine (JVM) ensure?

a) You need to write separate programs for each platform
b) You only need to write one program, which can run on any platform
c) The program only runs on Linux and Windows
d) The program is specific to Intel processors

Answer 1

b) You only need to write one program, which can run on any platform

Question 2

What is the main function of the operating system in relation to hardware?

a) It ensures that the program runs on Intel processors only
b) It serves as an intermediary between software and hardware
c) It makes software dependent on specific hardware
d) It translates Java programs directly into machine code

Answer 2

b) It serves as an intermediary between software and hardware

Question 3

What would Java programmers need to do if there was no JVM?

a) Write different programs for each platform
b) Write assembly code for different processors
c) Only write programs for macOS
d) Rely on Oracle Corporation to execute their programs

Answer 3

a) Write different programs for each platform

Question 4

Who maintains the Java Virtual Machine (JVM)?

a) AMD Corporation
b) Intel Corporation
c) Oracle Corporation
d) Microsoft Corporation

Answer 4

c) Oracle Corporation

Question 5

How does the JVM help Java programmers?

a) It directly translates Java code into hardware instructions
b) It allows them to focus on writing a single program without worrying about the underlying OS
c) It only works on Linux systems
d) It removes the need for an operating system

Answer 5

b) It allows them to focus on writing a single program without worrying about the underlying OS

Question 6

What is the file extension for Java source code?

a) .class
b) .java
c) .exe
d) .byte

Answer 6

b) .java

Question 7

Which component translates Java source code into bytecode?

a) Java Virtual Machine
b) Operating System
c) Java Compiler
d) Java Runtime Environment

Answer 7

c) Java Compiler

Question 8

What is the file extension for Java bytecode?

a) .java
b) .exe
c) .class
d) .bin

Answer 8

c) .class

Question 9

Which of the following is true about Java Bytecode?

a) It is directly executed by the operating system
b) It is executed by the Java Virtual Machine (JVM)
c) It is written by the Java developer
d) It can run without the JVM

Answer 9

b) It is executed by the Java Virtual Machine (JVM)

Question 10

What is required to translate source code into bytecode in Java?

a) Java Runtime Environment
b) Java Development Kit
c) Java Bytecode Editor
d) Java Virtual Machine

Answer 10

b) Java Development Kit