Java编码

public class Test {
    public static void main(String[] args) {
        System.out.println();
        String s1 = "你好";
        try {
            String s2 = new String(s1.getBytes("GB2312"), "ISO-8859-1");
            System.out.println(s2);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }
}