IO STREAMS -1

The …………………… package contains a large number of stream classes that provide capabilities for processing all types of data.

• java.awt

• java.io

• java.util

State whether the following statements about the stream in Java.

i) The two basic streams used are the input and output streams.

ii) Filters are used to read data from one stream and write it to another stream.

• True, True

• True, False

• False, True

• False, False

The InputStream class defines methods for performing input functions such as

i) reading bytes ii) closing streams

iii) skipping ahead in a stream iv) flushing streams

• ii, iii and iv only

• i, ii and iii only

• i, iii and iv only

• All i, ii, iii and iv

The OutputStreams includes methods that are designed to perform the following tasks.

i) closing streams ii) flushing streams

iii) reading bytes iv) writing bytes

• ii, iii and iv only

• i, ii and iii only

• i, ii and iv only

• All i, ii, iii and iv

Which of the following method(s) not included in InputStream class.

• available( )

• reset( )

• flush( )

• close( )

Which of the following methods not included in OutputStream class.

• write( )

• skip( )

• close( )

• flush( )

The class DataInputStream extends …………………….. and implements the interface DataInput.

• FileInputStream

• SequenceInputStream

• FilterInputStream

• InputStream

The method …………………., force writes whenever the data accumulates in the output stream.

• write( )

• flush( )

• read( )

• reset( )

The DataInputStream and DataOutputStream classes are …………………….. streams that allow the reading and writing of Java primitive data types.

• file

• sequence

• object

• filter

Which of the following is/are the methods of the DataOutputStream class.

i) void writeChar(intV) ii) void writeLong(longV)

iii) void writeInt(intV) iv) int size( )

• ii, iii and iv only

• i, ii and iii only

• i, ii and iv only

• All i, ii, iii and iv