Java judge whether Chinese characters

[Java]   View plain copy package test;            import  java.util.random;            public class ischineseorenglish  {          //  GENERAL_PUNCTUATION  Judging Chinese "No.            //  CJK_SYMBOLS_AND_PUNCTUATION  judging Chinese. Number           //  HALFWIDTH_AND_FULLWIDTH_FORMS  judging Chinese, number           public static boolean ischinese (char c)  {              character.unicodeblock ub  = character.unicodeblock.of (c);               if  (ub == character.unicodeblock.cjk_unified_ideographs                       | |  ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS                       | |  ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A                       | |  ub == Character.UnicodeBlock.GENERAL_PUNCTUATION                       | |  ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION                       | |  ub == character.unicodeblock.halfwidth_and_fullwidth_forms)  {                  return true;               }              return false;          }                 Public static void ischinese (string strname)  {               char[] ch = strname.tochararray ();              for  (int i = 0; i <  ch.length; i++)  {                   char c = ch[i];                   if  (Ischinese (c)  == true)  {        &nbSp;             system.out.println (IsChinese ( c);                       return;                   } else {                       system.out.println (Ischinese (c));                       return;