Java 判断是否是中文字符

package test; import java.util.Random; public class IsChineseOrEnglish { // GENERAL_PUNCTUATION 判断中文的“号 // CJK_SYMBOLS_AND_PUNCTUATION 判断中文的。号 // HALFWIDTH_AND_FULLWIDTH_FORMS 判断中文的，号 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) { System.out.println(isChinese(c)); return; } else { System.out.println(isChinese(c)); return; } } } public static void main(String[] args) { Random r = new Random(); for(int i=0;i<20;i++) System.out.println(r.nextInt(10)+1); isChinese("き"); isChinese("中国"); } }