Java Judgment string What encoding type

      Public Staticstring GetEncoding (String str) {string encode= "GB2312"; Try {                if(Str.equals (NewString (str.getbytes (encode), encode))) {String s=encode; returns; }             } Catch(Exception Exception) {} encode= "Iso-8859-1"; Try {                if(Str.equals (NewString (str.getbytes (encode), encode))) {String S1=encode; returnS1; }             } Catch(Exception exception1) {} encode= "UTF-8"; Try {                if(Str.equals (NewString (str.getbytes (encode), encode))) {String s2=encode; returnS2; }             } Catch(Exception exception2) {} encode= "GBK"; Try {                if(Str.equals (NewString (str.getbytes (encode), encode))) {String S3=encode; returnS3; }             } Catch(Exception exception3) {}return""; }    

String encode = "Iso-8859-1";     Apply the             extend try  {                      if (Customer.equals (new  String) ( Customer.getbytes (encode), encode                          )) {new String (customer.getbytes (encode), "Utf-8");                 }                    Catch (Exception exception1) {                   }  

Java Judgment string What encoding type