**********0class string{ //省略部分源码 public byte[] getbytes() { return stringcoding.encode(value, 0, value.length); } //省略部分源码}class stringcoding{ //省略部分源码 static byte[] encode(char[] ca, int off, int len) { string csn = charset.defaultcharset().name(); try { // use charset name encode() variant which provides caching. return encode(csn, ca, off, len); } catch (unsupportedencodingexception x) { warnunsupportedcharset(csn); } try { return encode("iso-8859-1", ca, off, len); } catch (unsupportedencodingexception x) { // if this code is hit during vm initialization, messageutils is // the only way we will be able to get any kind of error message. messageutils.err("iso-8859-1 charset not available: " + x.tostring()); // if we can not find iso-8859-1 (a required encoding) then things // are seriously wrong with the installation. system.exit(1); return null; } } //省略部分源码}class charset{ //省略部分源码 public static charset defaultcharset() { if (defaultcharset == null) { synchronized (charset.class) { string csn = accesscontroller.doprivileged( new getpropertyaction("file.encoding")); charset cs = lookup(csn); if (cs != null) defaultcharset = cs; else defaultcharset = forname("utf-8"); } } return defaultcharset; } //省略部分源码}