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Java InputStreamReader
An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset. The charset that it uses may be specified by name or may be given explicitly, or the platform’s default charset may be accepted.
Constructor
| Constructor name | Description |
|---|---|
| InputStreamReader(InputStream in) | It creates an InputStreamReader that uses the default charset. |
| InputStreamReader(InputStream in, Charset cs) | It creates an InputStreamReader that uses the given charset. |
| InputStreamReader(InputStream in, CharsetDecoder dec) | It creates an InputStreamReader that uses the given charset decoder. |
| InputStreamReader(InputStream in, String charsetName) | It creates an InputStreamReader that uses the named charset. |
Method
| Modifier and Type | Method | Description |
|---|---|---|
| void | close() | It closes the stream and releases any system resources associated with it. |
| String | getEncoding() | It returns the name of the character encoding being used by this stream. |
| int | read() | It reads a single character. |
| int | read(char[] cbuf, int offset, int length) | It reads characters into a portion of an array. |
| boolean | ready() | It tells whether this stream is ready to be read. |
Example
Output:
I love my country The file.txt contains text "I love my country" the InputStreamReader reads Character by character from the file
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