Answer: I/O filter : Questions « File « SCJP

1.	Java Source And Data Type
2.	Operators
3.	Modifiers
4.	Type Casting
5.	Statements
6.	Object Oriented
7.	Thread
8.	Utility Classes
9.	File

SCJP » File » Questions

9.6.2.Answer: I/O filter

B.



Filters are supported on both input and output

9.6.Questions
	9.6.1.	I/O Filters are supported on input, but not on output(True/False).
	9.6.2.	Answer: I/O filter
	9.6.3.	I/O Filters are supported by the InputStream/OutputStream class hierarchy, but not by the Reader/Writer class hierarchy(True/False).
	9.6.4.	Answer: I/O Filters and InputStream/OutputStream
	9.6.5.	I/O Filters read from one stream and write to another(True/False).
	9.6.6.	Answer: I/O filter and stream
	9.6.7.	A I/O filter may alter data that is read from one stream and written to another.
	9.6.8.	Answer: Altering data and I/O filter
	9.6.9.	The Serializable interface is used to identify objects that may be written to an output stream(True/False).
	9.6.10.	Answer: Serializable interface
	9.6.11.	Externalizable interface is implemented to control the way in which their objects are serialized.
	9.6.12.	Answer: Externalizable interface
	9.6.13.	The Serializable interface extends the Externalizable interface(True/False).
	9.6.14.	Answer: Serializable interface and the Externalizable interface
	9.6.15.	A File object can be used to change the current working directory(True/False).
	9.6.16.	Answer: File object
	9.6.17.	A File object can be used to access the files in the current working directory(True/False).
	9.6.18.	Answer: Current working directory
	9.6.19.	When a File object is created, a corresponding directory or file is created in the local file system(True/False).
	9.6.20.	Answer: File object and file system
	9.6.21.	File objects are used to access files and directories on the local file system(True/False).
	9.6.22.	Answer: File object and local file system
	9.6.23.	File objects can be garbage collected(True/False).
	9.6.24.	Answer: file object and garbage collection
	9.6.25.	When a File object is garbage collected, the corresponding file or directory is deleted(True/False).
	9.6.26.	Answer: file object, garbage collection and local file system
	9.6.27.	What output is displayed by the following program(StringReader)?
	9.6.28.	Answer: StringReader
	9.6.29.	What output is displayed by the following program?
	9.6.30.	Answer: RandomAccessFile
	9.6.31.	Writer classes can be used to write characters to output streams using different character encodings(True/False).
	9.6.32.	Answer: Writer classes
	9.6.33.	Writer classes can be used to write Unicode characters to output streams(True/False)
	9.6.34.	Answer: Writer classes and Unicode characters
	9.6.35.	Writer classes are character-oriented and do not support other primitive types or objects(True/False).
	9.6.36.	Answer: Writer classes and character-oriented
	9.6.37.	What is the result(regex)?
	9.6.38.	Answer: regex
	9.6.39.	What is the result(ObjectOutputStream)?
	9.6.40.	Answer: ObjectOutputStream
	9.6.41.	What is the output(long, Integer and equals)?
	9.6.42.	Answer: long, Integer and equals
	9.6.43.	What is the result(Serializable)?
	9.6.44.	Answer: Serializable
	9.6.45.	What is the output(transient variables)?
	9.6.46.	Answer: transient variables
	9.6.47.	What is the output(compare strings)?
	9.6.48.	Answer: compare strings
	9.6.49.	What is the result(reading with FileReader)?
	9.6.50.	Answer: reading with FileReader

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