ByteBuffer: putChar(char ch)

   
/*
 * Output:
File stream created successfully.
New buffer:           position = 0  Limit = 1024  capacity = 1024
Buffer after loading: position = 30  Limit = 1024  capacity = 1024
Buffer after flip:    position = 0  Limit = 30  capacity = 1024
Buffer contents written to file.
 */

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class MainClass {
  public static void main(String[] args) {
    String phrase = new String("www.java2s.com\n");

    File aFile = new File("test.txt");   
    FileOutputStream outputFile = null;  
    try {
      outputFile = new FileOutputStream(aFile, true);
      System.out.println("File stream created successfully.");
    } catch (FileNotFoundException e) {
      e.printStackTrace(System.err);
    } 

    FileChannel outChannel = outputFile.getChannel();
    
    ByteBuffer buf = ByteBuffer.allocate(1024);
    System.out.println("New buffer:           position = " + buf.position()
                       + "\tLimit = " + buf.limit() + "\tcapacity = "
                       + buf.capacity());

    // Load the data into the buffer
    for (char ch : phrase.toCharArray()) {
      buf.putChar(ch);
    }
    System.out.println("Buffer after loading: position = " + buf.position()
                       + "\tLimit = " + buf.limit() + "\tcapacity = "
                       + buf.capacity());
    buf.flip();
    System.out.println("Buffer after flip:    position = " + buf.position() 
                       + "\tLimit = " + buf.limit() + "\tcapacity = " 
                       + buf.capacity());

    try {
      outChannel.write(buf);
      outputFile.close();
      System.out.println("Buffer contents written to file.");
    } catch (IOException e) {
      e.printStackTrace(System.err);
    }
  }
}

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3.	ByteBuffer: asCharBuffer()
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6.	ByteBuffer: asLongBuffer()
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14.	ByteBuffer: get(int index)
15.	ByteBuffer: getChar()
16.	ByteBuffer: getDouble()
17.	ByteBuffer: getFloat()
18.	ByteBuffer: getInt()
19.	ByteBuffer: getLong()
20.	ByteBuffer: isDirect()
21.	ByteBuffer: limit()
22.	ByteBuffer: order()
23.	ByteBuffer: order(ByteOrder bo)
24.	ByteBuffer: position()
25.	ByteBuffer: position(int newPosition)
26.	ByteBuffer: put(byte b)
27.	ByteBuffer: putDouble(double value)
28.	ByteBuffer: putFloat(float value)
29.	ByteBuffer: putInt(int i)
30.	ByteBuffer: putLong(long value)
31.	ByteBuffer: putShort(short value)
32.	ByteBuffer: putShort(int index, short value)
33.	ByteBuffer: rewind()
34.	ByteBuffer: wrap(byte[] array)

ByteBuffer: putChar(char ch) : ByteBuffer « java.nio « Java by API

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