Java IO Test 1 | Java IO online quiz, Online practice Test - Java Test
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Question 1 of 20
1. Question
What is the name of the abstract base class for streams dealing with general purpose (non-character) input?
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Question 2 of 20
2. Question
What is a stream that transforms data in some way called?
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Question 3 of 20
3. Question
What is the name of a stream that connects two running programs?
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Question 4 of 20
4. Question
Is the character data used inside a Java program exactly the same format as the character data in a text file written by Java?
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Question 5 of 20
5. Question
The input/output package usually used with Java is:
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Question 6 of 20
6. Question
What is a buffer?
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Question 7 of 20
7. Question
A stream that is intended for general purpose IO, not usually character data, is called…
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Question 8 of 20
8. Question
Can data flow through a given stream in both directions?
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Question 9 of 20
9. Question
Can a stream act as a data source for another stream?
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Question 10 of 20
10. Question
What is the name of the abstract base class for streams dealing with character input?
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Question 11 of 20
11. Question
What does closing a file do?
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Question 12 of 20
12. Question
For characters from the English (Roman) alphabet, how many bytes are used per character in the Program and how many are used on a disk file?
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Question 13 of 20
13. Question
When a file is opened for appending where does write() put new text?
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Question 14 of 20
14. Question
What method a buffered character stream sends the correct characters for terminating a line of text on the computer running the program?
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Question 15 of 20
15. Question
What method ensures that data from previous calls to write() is sent to disk and leaves the file open?
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Question 16 of 20
16. Question
What happens if a FileWriter constructor is given an illegal file name?
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Question 17 of 20
17. Question
What class should be used to buffer the characters sent to a FileWriter stream?
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Question 18 of 20
18. Question
Can a text file written by a Java program be read by programs written in other languages?
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Question 19 of 20
19. Question
What does the following constructor do: FileWriter fw = new FileWriter( “myFile.txt” );
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Question 20 of 20
20. Question
What is the abstract class that is the ancestor of all character output streams?
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