| Package | Description | 
|---|---|
| java.io | 
 Provides for system input and output through data streams,
serialization and the file system. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
StringWriter | 
StringWriter.append(char c)
Appends the specified character to this writer. 
 | 
StringWriter | 
StringWriter.append(CharSequence csq)
Appends the specified character sequence to this writer. 
 | 
StringWriter | 
StringWriter.append(CharSequence csq,
      int start,
      int end)
Appends a subsequence of the specified character sequence to this writer. 
 | 
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