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Programming Standard Input

Authored by Thomas Martinez

Computers

University

Programming Standard Input
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of these is used to perform all input & output operations in Java?

streams

Variables

classes

Methods

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of these is a type of stream in Java?

Integer stream

Short stream

Byte stream

Long stream

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of these classes are used by Byte streams for input and output operation?

InputStream

InputOutputStream

Reader

All of the mentioned

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of these classes are used by character streams for input and output operations?

InputStream

Writer

ReadStream

InputOutputStream

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Which of these class is used to read from byte array?

InputStream

BufferedInputStream

ArrayInputStream

ByteArrayInputStream

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following Java program if input given is ‘abcqfghqbcd’?

class Input_Output

{

public static void main(String args[]) throws IOException {

char c;

BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));

do {

c = (char) obj.read();

System.out.print(c);

}

while(c != 'q');

} }

abcqfgh

abc

abcq

abcqfghq

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following Java program if input given is “abc’def/’egh”?

class Input_Output {

public static void main(String args[]) throws IOException {

char c;

BufferedReader obj = new BufferedReader(new InputStreamReader(System.in));

do {

c = (char) obj.read();

System.out.print(c);

}

while(c!='\'');

}

}

abc’

abcdef/’

abc’def/’egh

abcqfghq

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