将char数组复制到另一个char数组

/*来自 
 N o w J a v a . c o m - 时  代  Java*/

public class ArrayCopyDemo {

    public static void main(String[] args) {

        char[] copyFrom = { 'd', 'e', 'c', 'a', 'f', 'f', 'e', 'i', 'n',

                'a', 't', 'e', 'd' };

        char[] copyTo = new char[7];


        System.arraycopy(copyFrom, 2, copyTo, 0, 7);

        System.out.println(new String(copyTo));

    }

}