nio 编码解码

package CharSet1;import java.nio.ByteBuffer;import java.nio.CharBuffer;import java.nio.charset.Charset;import java.nio.charset.CharsetDecoder;import java.nio.charset.CharsetEncoder;public class MyMain {public static void main(String[] args) throws Exception{Charset charset =Charset.forName("GBK");        CharBuffer buffer= CharBuffer.allocate(8);    buffer.put("我");    buffer.put("是");    buffer.put("个");    buffer.put("好");    buffer.put("人");    buffer.flip();        ByteBuffer bitbuffer =charset.encode(buffer);    for(int i=0; i<bitbuffer.capacity(); i++){    System.out.println(bitbuffer.get(i));    }        CharBuffer buffer2 = charset.decode(bitbuffer);    for(int i=0; i<buffer2.capacity(); i++){    System.out.println(buffer.get(i));    }}}

运行结果：