Computer MCQ

Console

Scanner

Reader

Scanner

Reader

Input

Console

Reader

Input

java. File

java.File.io

java.io.Scanner

Sequentially

To directly jump to nth record

None of these

To store objects

To retrieve objects

To access a file randomly

The user input will be hidden.

The user input is not shown in the console screen.

It will return an array of character as the return type.

Numbers

Characters

Symbols

Scanner

Secret

Hidden

Scanner

Secret

Hidden

To create different types of object.

a and b both

None of these

java. Lang

java.util

java.sc

FileReader

Scanner

Reader

readlnt()

Int()

next ()

System. Out

System. Read

System. Scan

System. Out

System. Read

System. Scan

Scanner Kbinput= Scanner (System.in);

Scanner Kbinput = System.in

None of these

file input = new Scanner (new File (“filename”));

Scanner file input = Scanner (new File (“filename”));

None of these

String

File object

Input Stream object

Scanner (String str)

Scanner (Input Stream is object)

Scanner (FiIe Fobject) throws FileNotFound Exception

Char-int

Array-int

Int-it

Same

Only two

Only three

,

.

:

Symbol

ID Number

None of these

Number

Alphabet

String

Console class

Scanner class

Open class

java.util

java.sc

java. Lang

java.io

java. Lang

java.sc

Scanner class of javutil package

Console class of java.io

None of these

Five

Three

Two

File input

File output

None of these

Command line argument

File

All of these

Live interaction through Keyboard/GUI

From files

All of these

casting

type changer

type modifier

casting

type changer

type modifier

Stream

Input

Filelnput

Input

Stream

Filelnput

If the file name refers to directory rather than a regular file.

File does not exist.

File cannot be opened.

FileOutputStream(String name) throws FileNot FoundException

FileOutputStream(File file) throws FileNotFound Exception

None of these

A string containing the path to the file location

Object of the File class

None of these

Stream

Output

File Output

It is a subclass of Output Stream.

It is used to write bytes to the file or some output stream.

To use this class and its methods, first we need to create a file object, then we could use the write method derived from the abstract class Output Stream to write byte into a file.

Input

file

Stream

FilelnputStream

FileOutputStream

None of these

Arithmetic stream

Numeric stream

Stream

Storing the details of inventory in a file

Calculating the costs involved.

Storing the employee details and their salaries in a file

Logical

Character

Relational

java.util

java.string

java.lang

Ease of file

Exit of File

Entry on File

0

1

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