QUIZ ON : JAVA - VALUE AND TYPES

VALUE AND TYPES

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Question No# : 01 out of 22

What is the name given to a memory location called in Java?

A. Variable

B. Constant

C. Data Type

D. None of these

Question No# : 02 out of 22

Which among the following Scanner methods allows us to input a number with a decimal point?

A. nextInt()

B. nextFloat()

C. nextDecimal()

D. nextPoint()

Question No# : 03 out of 22

Which among the following is a keyword but not a literal?

A. for

B. null

C. true

D. false

Question No# : 04 out of 22

Which among the following is a valid method of initialising?

A. boolean f=true;

B. boolean f=True;

C. boolean f=’true’;

D. None of these

Question No# : 05 out of 22

Which of the following is the range of values that can be stored in a int variable?

A. -128 to 127

B. -32768 to 32767

C. -2^31 to (2^31)-1

D. None of these

Question No# : 06 out of 22

Which are the data types used in Java?

A. Primitive data type

B. Composite data type

C. Both a and b

D. None of these

Question No# : 07 out of 22

Which datatype store true/false type value

A. Varient

B. Integer

C. Boolean

D. String

Question No# : 08 out of 22

Assigning value to a variable during declaration is called.

A. Declaration

B. Assignment

C. Initialisation

D. None of these

Question No# : 09 out of 22

What is the largest possible value that can be stored in short data type?

A. 215-1

B. 231-1

C. 27-1

D. 263-1

Question No# : 10 out of 22

If the data that is to take part in a calculation in a method is fixed, which form of input is necessary?

A. Initialisation

B. Parameterised input

C. Scanner input

D. None of these

Question No# : 11 out of 22

Which among the following encoding system can represent 65536 characters?

A. ASCII

B. Unicode

C. Both a and b

D. None of these

Question No# : 12 out of 22

Which among the following is not a primitive data type?

A. int

B. float

C. String

D. char

Question No# : 13 out of 22

Which among the following is not a punctuator?

A. ; semicolon

B. , comma

C. : colon

D. . dot

Question No# : 14 out of 22

Which among the following is used to represent single-line comment?

A. //

B. /*

C. \

D. \\

Question No# : 15 out of 22

What are the default values of the primitive data type 'FLOAT' ?

A. 0

B. 0.0

C. 0.0f

D. 0.0d

Question No# : 16 out of 22

Which among the following is a valid octal integer literal?

A. 0178

B. 675

C. 0675

D. 0X675

Question No# : 17 out of 22

Which among the following is a valid float literal?

A. 12.36f

B. 12.36F

C. 12.36

D. Both a and b

Question No# : 18 out of 22

Which among the following is not a Token?

A. Keywords

B. Literals

C. Identifiers

D. Data Type

Question No# : 19 out of 22

To store character values, a corresponding numeric value generated in

A. Decimal Form

B. Binary Form

C. ASCII

D. UNICODE

Question No# : 20 out of 22

If a is of type int and b is of type float what would be the resultant data type of a+b?

A. int

B. float

C. double

D. short

Question No# : 21 out of 22

Which of the following is the default value of long data type?

A. 0

B. 0.0

C. 0L

D. 0.0f

Question No# : 22 out of 22

Scanner class is present in the java.lang package

A. TRUE

B. FALSE