LineOutputStream (Jakarta Mail API documentation)

```
public interface LineOutputStream
```
This interface is to support writing out Strings as a sequence of bytes terminated by a CRLF sequence. The String must contain only US-ASCII characters.
The expected use is to write out RFC822 style headers to an output stream.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`write(byte[] content)`	Writes `b.length` bytes to this output stream.
`void`	`writeln()`	Writes a new line (CRLF).
`void`	`writeln(java.lang.String s)`	Writes the input string and a new line (CRLF).

- Method Detail
  - writeln
```
void writeln(java.lang.String s)
      throws java.io.IOException
```
    Writes the input string and a new line (CRLF).
    
    Parameters:
    
    s - the string to write before the new line.
    
    Throws:
    
    java.io.IOException - if an I/O error occurs.
  - writeln
```
void writeln()
      throws java.io.IOException
```
    Writes a new line (CRLF).
    
    Throws:
    
    java.io.IOException - if an I/O error occurs.
  - write
```
void write(byte[] content)
    throws java.io.IOException
```
    Writes b.length bytes to this output stream.
    
    Parameters:
    
    content - the content to write.
    
    Throws:
    
    java.io.IOException - if an I/O error occurs.