A subset of the InputStream hierarchy
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InputStream <<abstract>>
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FileInputStream
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FilterInputStream
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BufferedInputStream
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DataInputStream <implements DataInput interface>
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Classes used to connect to a file with a buffer
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DataInputStream – reads data from the stream
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BufferedInputStream – creates a buffer for the stream
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FileInputStream – connects the stream to the file
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Constructors of these classes
| Method | Throws |
| DataInputStream(InutStream) | None |
| BufferedInputStream(InputStream) | None |
| FileInputStream(File) | FileNotFoundException |
| FileInputStream(StringFileName) | FileNotFoundException |
Example 1: How to connect a binary input stream to a file
DataInputStream in = new DataInputStream( new BufferedInputStream new FileInputStream(productsFile));Descriptions:
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Although a buffer isn't required, it makes input operatios more efficient.
More info can be found here: http://www.j2ee.me/javase/6/docs/api/java/io/InputStream.html#InputStream()