CharBuffer: wrap(char[] array, int offset, int length) : CharBuffer « java.nio « Java by API

1. Java by API
2. java.nio
3. CharBuffer

CharBuffer: wrap(char[] array, int offset, int length)

 

import java.nio.CharBuffer;

public class Main {
  public static void main(String[] argv) throws Exception {
    char[] chars = new char[60];

    CharBuffer cb = CharBuffer.wrap(chars, 12, 42);

    println(cb);

    cb.put("This is a test String");

    cb.flip();

    println(cb);

    cb.clear();

    cb.put("Foobar");

    println(cb);

    for (int i = 0; i < 20; i++) {
      System.out.println("[" + i + "] = " + chars[i]);
    }
  }

  private static void println(CharBuffer cb) {
    System.out.println("pos=" + cb.position() + ", limit=" + cb.limit() + ", capacity="
        + cb.capacity() + ", arrayOffset=" + cb.arrayOffset());
  }
}

   
  

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