- Unicode is a ____________ character code set
a.
16-bit
b.
32-bit
c.
64-bit
d.
8-bit
- Many languages can be represented using the standard ___________ character set(ascii characters)
a. 16-bit
b. 8-bit
c. 32-bit
d. 64-bit
- A token is defined as the
a. Smallest
unit of a machine
b. Largest
unit of a machine
c. Smallest unit of a program
d. None
of these
- Java tokens are classified into
a. Keywords,
identifiers
b. Constants,
operators
c. Punctuators
d. All of these
- The keywords ____________ and _____________ are reserved words and are not used
a. Const & goto
b. Const
& goin
c. Const
& out
d. None
of these
- Identifiers are the names given to uniquely identify various programming languages elements _______________
a. Variables
b. Arrays
c. Packages
d. All
of these
- _______________ characters can be used in an identifier
a. Alphabets
b. Digits
c. Underscore
& dollar sign
d. All of these
- Constants are also known as
a. Literals
b. Numeric
c. Character
d. None
of these
- An identifier must not start with a ____________
a. Alphabet
b. Digit
c. Dollar
sign
d. Underscore
- An identifier must not contain other characters such as_________________
a. ‘*’ & ‘;’
b. ‘:’
& ‘*’
c. ‘,’
& ‘.’
d. ‘.’
& ‘*’
- Java constants are classified into _________ categories
a. 1
b. 2
c. 3
d. 4
- The use of special characters like___________________ are not permitted in numeric constants
a. ‘,’
b. ‘;’
c. ‘?’
d. All of these
- Character constants can represent either the ______________-
a. Printable
characters
b. Non-printable
characters
c. Both a & b
d. None
of these
- __________________refers to a single character enclosed in single quotes(‘’)
a. Character constants
b. Numeric
constants
c. String
constants
d. Boolean
constants
- _____________refers to sequence of any number of characters enclosed in the double quotes (“”)
a. Character
constants
b. Numeric
constants
c. String constants
d. Boolean
constants
- Operators are the symbols which perform operations such as
a. Addition
b. Subtraction
c. Multiplication
d. All of these
- Punctuators also known as
a.
Equal
b.
Separators
c.
Operands
d.
None of these
- The structure of a program by dividing and arranging a set of codes
a.
Punctuators
b.
Operators
c.
Operands
d.
None of these
- ___________ refers to a character preceded by the backslash character
a.
Escape sequences
b.
Single quote
c.
Tab sequences
d.
Space sequences
- Documentation section are used to
a.
Increase it readability
b.
Describe its functionality
c.
Both a & b
d.
None of these
- Package statements is the ___________statement in a java program
a.
First
b.
Second
c.
Third
d.
Fourth
- ____________ allows us to access a class which belongs to some other package
a.
Package statement
b.
Import statement
c.
Interface statement
d.
None of these
- _____________ is a way of implementing multiple inheritance in java
a.
Package statement
b.
Interface
statement
c.
Import statement
d.
None of these
- A program may consist of any number of _______________
a.
Class
definitions
b.
Object definitions
c.
Package statement
d.
Interface statement
- Main method is the ______________ point of program
a.
Ending
b.
Starting
c.
Central
d.
None
- Inside the main method class, the object of several classes can be
a.
Created
b.
Accessed
c.
Manipulated
d.
All of these
- A data type determines the
a.
Type
b.
Operations performed on data
c.
Both a & b
d.
None of these
- Data types are divided into _________ parts
a.
1
b.
2
c.
3
d.
4
- The names of two data types
a.
Primitive and non-primitive
data type
b.
Printable and non-printable data type
c.
Structured and non-structured data type
d.
None of these
- Primitive data types also known as
a.
Built in data
types
b.
User defined data types
c.
Well defined data types
d.
None of these
- Float type represents a
a.
Single-precision
number
b.
Double-precision number
c.
Multiple-precision number
d.
None of these
- Double type represents a ___________ number
a.
Single-precision number
b.
Double-precision
number
c.
Multiple-precision number
d.
None of these
- Character data type is used to store a ___________ character enclosed in _______________ quotes
a.
Single &
single
b.
Single & double
c.
Double & single
d.
Double & double
- Character type occupies ____________ of memory
a. 8-bits
b. 16-bits
c. 32-bits
d. 64-bits
- The range of the character data type is ____________
a. 0 to 65536
b. 0
to 65537
c. 0
to 65538
d. 0
to 65534
- The default value of the character data type is the ___________ null character
a. Single
b. Double
c. Null
d. None
of these
- The default value of boolean data type is ________
a. True
b. False
c. garbage
d. None
of these
- Java supports __________ floating point data types
a. 1
b. 2
c. 3
d. 4
- The name of two floating point data types
a. Float, double
b. Float,
void
c. Double,
void
d. None
of these
- Non-primitive data types also known as ___________
a. Well
defined data type
b. User defined data type
c. Built
in defined data type
d. None
of these
- Non-primitive data type includes
a. Classes
b. Interfaces
c. Arrays
d. All of these
- A variable is an
a. Identifier
b. Represents
memory location
c. Store
data value
d. All of these
- The value of a variable can ______________ anytime during the program execution
a. Be changed
b. Not
be changed
c. Be
either changed or not
d. None
of these
- Variables must be declared in a program __________ they are used
a.
Before
b.
After
c.
At a time
d.
None of these
- Variables can be classified into _________ types of variables
a.
1
b.
2
c.
3
d.
4
- The declaration of a variable informs the
a.
Compiler
b.
Allocates sufficient memory
c.
Both a & b
d.
None of these
- Initialization of variables at run time is known as
a. Dynamic initialization
b. Static
initialization
c. Demonstrate
initialization
d. None
of these
- Variables can be also be given values interactive through the keyboard using the ___________ method
a. Writeline()
b. Readline()
c. Learnline()
d. None
of these
- To handle the error that may occur while reading data from the keyboard _________ statements are to be used
a. Try & catch
b. Try
& caught
c. Try
& copy
d. None
of these
- _________________ are the fundamental data types provided by programming language
a. Primitive data type
b. Non-primitive
data type
c. Printable
data type
d. Non-primitive
data type
- Java supports ________ types of integers
a. 1
b. 2
c. 3
d. 4
- The two special operators provided by java are __________
a. Instanceof and dot(.)
b. Instanceof
and comma(,)
c. Instanceof
and double quote(“ “)
d. None
of these
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