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Java PushbackInputStream Class
Java PushbackInputStream class overrides InputStream and provides extra functionality to another input stream. It can unread a byte which is already read and push back one byte.
Class declaration
Let’s see the declaration for java.io.PushbackInputStream class:
Class Methods
| Method | Description |
|---|---|
| int available() | It is used to return the number of bytes that can be read from the input stream. |
| int read() | It is used to read the next byte of data from the input stream. |
| boolean markSupported() | |
| void mark(int readlimit) | It is used to mark the current position in the input stream. |
| long skip(long x) | It is used to skip over and discard x bytes of data. |
| void unread(int b) | It is used to pushes back the byte by copying it to the pushback buffer. |
| void unread(byte[] b) | It is used to pushes back the array of byte by copying it to the pushback buffer. |
| void reset() | It is used to reset the input stream. |
| void close() | It is used to close the input stream. |
Example of PushbackInputStream class
Output:
Next TopicJava PushbackReader Class