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📜  Java.io.Writer类

📅  最后修改于: 2020-11-15 02:53:43             🧑  作者: Mango

介绍

Java.io.Writer类是用于写入字符流的抽象类。

类声明

以下是Java.io.Writer类的声明-

public abstract class Writer
   extends Object
      implements Appendable, Closeable, Flushable

领域

以下是Java.io.Writer类的字段-

  • 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 Writer()

This creates a new character-stream writer whose critical sections will synchronize on the writer itself.
2

protected Writer(Object lock)

This creates a new character-stream writer whose critical sections will synchronize on the given object.

类方法

Sr.No. Method & Description
1 Writer append(char c)

This method appends the specified character to this writer.
2 Writer append(CharSequence csq)

This method appends the specified character sequence to this writer.
3 Writer append(CharSequence csq, int start, int end)

This method appends a subsequence of the specified character sequence to this writer.
4 abstract void close()

This method loses the stream, flushing it first.
5 abstract void flush()

This method flushes the stream.
6 void write(char[] cbuf)

This method writes an array of characters.
7 abstract void write(char[] cbuf, int off, int len)

This method writes a portion of an array of characters.
8 void write(int c)

This method writes a single character.
9 void write(String str)

This method writes a string.
10 void write(String str, int off, int len)

This method writes a portion of a string.

方法继承

此类从以下类继承方法-

  • Java对象