Java.io.StringWriter Class

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Introduction

The Java.io.StringWriter class is a character stream that collects its output in a string buffer, which can then be used to construct a string.Closing a StringWriter has no effect. The methods in this class can be called after the stream has been closed without generating an IOException.

Class declaration

Following is the declaration for Java.io.StringWriter class:

public class StringWriter
  extends Writer

Field

Following are the fields for Java.io.StringWriter class:

  • protected Object lock -- This is the object used to synchronize operations on this stream.

Class constructors

S.N.Constructor & Description
1StringWriter()
This creates a new string writer using the default initial string-buffer size.
2StringWriter(int initialSize)
This creates a new string writer using the specified initial string-buffer size.

Class methods

S.N.Method & Description
1 StringWriter append(char c)
This method appends the specified character to this writer.
2 StringWriter append(CharSequence csq)
This method appends the specified character sequence to this writer.
3 StringWriter append(CharSequence csq, int start, int end)
This method appends a subsequence of the specified character sequence to this writer.
4 void close()
Closing a StringWriter has no effect.
5 void flush()
This method flush the stream.
6 StringBuffer getBuffer()
This method return the string buffer itself.
7 String toString()
This method return the buffer's current value as a string.
8 void write(char[] cbuf, int off, int len)
This method write a portion of an array of characters.
9 void write(int c)
This method write a single character.
10 void write(String str)
This method writes a string.
11 void write(String str, int off, int len)
This method writes a portion of a string.

Methods inherited

This class inherits methods from the following classes:

  • Java.io.Writer

  • Java.io.Object




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