Java tutorial
import java.nio.CharBuffer; import java.util.Arrays; public class Main { public static void main(String[] args) { CharBuffer cb1 = CharBuffer.allocate(5); cb1.put(2, 'j'); cb1.rewind(); char[] charArray = new char[5]; cb1.get(charArray, 0, 2); System.out.println(Arrays.toString(charArray)); } }