📜  Java.io.FilterReader类

📅  最后修改于: 2020-11-15 02:44:12             🧑  作者: Mango


介绍

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。

类声明

以下是Java.io.FilterReader类的声明-

public abstract class FilterReader
   extends Reader

领域

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。

类的构造函数

Sr.No. Constructor & Description
1

protected FilterReader(Reader in)

This creates a new filtered reader.

类方法

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.

方法继承

此类从以下类继承方法-

  • Java.io.Reader
  • Java对象