Page 1
JAVA PRACTICE Latest Questions and
Correct Answers
Backspace
Ans: \b
Tab
Ans: \t
Linefeed
Ans: \n
carriage return
Ans: \r
single quote
Ans: \'
Double quote
Ans: \"
backslash
, Page 2
Ans: \\
form feed
Ans: \f
Octal character
Ans: \ddd
Hexadecimal unicode
Ans: \uxxx
whats an expression
Ans: can have a single variable or constant or can
consist of operators and operands
___________ is interpreted.
Ans: Java
_______________is the brain of the computer
Ans: CPU
Which JDK command is correct to run a Java application
, Page 3
Ans: Java Bytecode
__________is Architecture-neutral
Ans: Java
__________ is software that interprets Java bytecode
Ans: Java Compiler
Java compiler translates Java source code into ___________.
Ans: Java bytecode
______________is a program that runs on a computer to
manage and control a computers activness
Ans: Opertating system
Java was developed by
Ans: Sun Microsystems
programming style is important because_______________.
Ans: good programming style helps reduce programming
errors
, Page 4
Why do computers use zeros and ones
Ans: because digital devices have two stable states and
it is natural to use one state for 0 and the other for 1.
Java_____________ can run from a Web browser
Ans: applets
Application program interface. Contains predefined classes
and interfaces for developing Java programs.
Ans: Java API
Java Development Toolkit. A set of separate programs, each
invoked from a command line, for developing and testing Java
programs.
Ans: Java JDK
A specification for software which interprets Java programs
that have been compiled into byte-codes, and usually stored
in a ".class" file.
Ans: Java Virtual Machine
public class Class {
public static void main(String[] args) {
Ans: Main method
JAVA PRACTICE Latest Questions and
Correct Answers
Backspace
Ans: \b
Tab
Ans: \t
Linefeed
Ans: \n
carriage return
Ans: \r
single quote
Ans: \'
Double quote
Ans: \"
backslash
, Page 2
Ans: \\
form feed
Ans: \f
Octal character
Ans: \ddd
Hexadecimal unicode
Ans: \uxxx
whats an expression
Ans: can have a single variable or constant or can
consist of operators and operands
___________ is interpreted.
Ans: Java
_______________is the brain of the computer
Ans: CPU
Which JDK command is correct to run a Java application
, Page 3
Ans: Java Bytecode
__________is Architecture-neutral
Ans: Java
__________ is software that interprets Java bytecode
Ans: Java Compiler
Java compiler translates Java source code into ___________.
Ans: Java bytecode
______________is a program that runs on a computer to
manage and control a computers activness
Ans: Opertating system
Java was developed by
Ans: Sun Microsystems
programming style is important because_______________.
Ans: good programming style helps reduce programming
errors
, Page 4
Why do computers use zeros and ones
Ans: because digital devices have two stable states and
it is natural to use one state for 0 and the other for 1.
Java_____________ can run from a Web browser
Ans: applets
Application program interface. Contains predefined classes
and interfaces for developing Java programs.
Ans: Java API
Java Development Toolkit. A set of separate programs, each
invoked from a command line, for developing and testing Java
programs.
Ans: Java JDK
A specification for software which interprets Java programs
that have been compiled into byte-codes, and usually stored
in a ".class" file.
Ans: Java Virtual Machine
public class Class {
public static void main(String[] args) {
Ans: Main method