Internet, Web Programming and Java MCQ 17

1. Which refers to a channel through which data flow from the source to the destination:

1. String
2. Character
3. Stream
4. Buffer

2. Java Stream classes can be categorised into two groups:
1. Byte  and Character Stream Classes
2. Stream and String Classes
3. String and Character Stream Classes
4. Buffer and Character Stream Classes
3. Java Stream classes can be categorised into _______ groups:

1. 1
2. 2
3. 3
4. 4

4. Byte Stream Classes support input/output operations on _____ bytes:

1. 8 bit byte
2. 16 bit byte
3. 32 bit byte
4. 64 bit byte

5.  
4. Character Stream Classes support input/output operations on _______ characters:

1. 8 bit Unicode
2. 16 bit Unicode
3. 32 bit Unicode
4. 64 bit Unicode

6. Java supports input/output of data through the classes included in the _______ package:

1. Java.oi
2. Java.out
3. Java.in
4. Java.io

7. Input stream  class is :
1. An interface defined in the java.io package
2. A byte stream class used to read bytes from a file
3. An abstract class which contain method to read 8 bit-bytes
4. A class used to read primitive data types
8. The ________ method help in clearing the contents of the buffer:

1. Flush()
2. Clear()
3. Rub()
4. Vanish()

9. The_____ class is used to read input from the console input device:
1. Input Stream Reader
2. Output Stream Reader
3. Byte Stream Reader
4. Buffer Stream Reader
10. The _______ class is used to write bytes to a file:

1. File Input Stream
2. File Output Stream
3. File Buffer Stream
4. File String Stream

11. The _______ class is used to read characters from the file:

1. Stream Reader
2. Character Reader
3. Input Reader
4. File Reader

12. Data Input Stream class contains methods to read________

1. Non primitive data type
2. Primitive data type

3.  
12. Input data type what is the characters and sequence of characters marking the begging or end of a unit of data.

1. Parsing
2. Boolean
3. Token
4. Delimiters

14. _______ is a string of characters, categorized according to the rules as a symbol.

1. Delimiters
2. Token
3. Boolean
4. Parsing

15. The _______class distinguish among numbers, identifiers, quoted strings and different common styles.

1. Stringtokenizer
2. Streamtokenizer
3. Inputstream
4. Buffer

16. The ______ class is used to display the result on an output device:

1. Read Stream
2. Write Stream
3. Display Stream
4. Print Stream

17. Java provides _______ to convert byte-oriented data into character-oriented data:
1. InputStreamReader
2. OutputStreamReader
3. StringStreamReader
4. PrintStreamReader
18. _________ method returns the current line number:

1. int next()
2. int line()
3. int lineon()
4. int lineno()

19. Which specifies that all the character within the range between low & high are white space characters:

1. Void wordChars
2. Void whitespaceChars
3. Void resetSyntax()
4. Void Chars