📅  最后修改于: 2020-11-15 02:44:12             🧑  作者: Mango
Java.io.FilterReader类用于读取过滤的字符流。以下是关于FilterReader的要点-
该类本身提供了默认方法,该方法将所有请求传递到所包含的流。
FilterReader的子类应覆盖其中的某些方法,并且还可以提供其他方法和字段。
以下是Java.io.FilterReader类的声明-
public abstract class FilterReader
extends Reader
以下是Java.io.FilterReader类的字段-
−中的受保护的Reader-这是字符输入流。
protected Object lock-这是用于同步此流上的操作的对象。
Sr.No. | Constructor & Description |
---|---|
1 |
protected FilterReader(Reader in) This creates a new filtered reader. |
Sr.No. | Method & Description |
---|---|
1 | void close()
This method closes the stream and releases any system resources associated with it. |
2 | void mark(int readAheadLimit)
This method marks the present position in the stream. |
3 | boolean markSupported()
This method tells whether this stream supports the mark() operation. |
4 | int read()
This method reads a single character. |
5 | int read(char[] cbuf, int off, int len)
This method reads characters into a portion of an array. |
6 | boolean ready()
This method tells whether this stream is ready to be read. |
7 | void reset()
This method resets the stream. |
8 | long skip(long n)
This method skips characters. |
此类从以下类继承方法-