Example 2: Java Program to Check Alphabet using ternary operatorpublic class Alphabet { public static void main(String[] args) { char c = 'A'; String output = (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ? c + " is an alphabet." : c + " is not an ...
下面是使用正则表达式判断字符是否为英文字母的代码示例: publicclassCheckLetter{publicstaticvoidmain(String[]args){charch='1';if(Character.toString(ch).matches("[a-zA-Z]")){System.out.println(ch+" is an alphabet.");}else{System.out.println(ch+" is not an alphabet.");}}} 1. 2. 3. ...
另外,我们还可以使用Character类中的isLetter()方法来进行判断: importjava.util.Scanner;publicclassCheckAlphabet{publicstaticvoidmain(String[]args){Scannerscanner=newScanner(System.in);System.out.println("请输入一个字符:");charinput=scanner.next().charAt(0);if(Character.isLetter(input)){System.out.p...
Example 1: Check whether an alphabet is vowel or consonant using if..else statement public class VowelConsonant { public static void main(String[] args) { char ch = 'i'; if(ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u' ) System.out.println(ch ...
privatestaticfinalchar[]ALPHABET="abcdefghijklmnopqrstuvwxyz".toCharArray(); publicstaticvoidmain(String[] args)throwsException { newSpellCheck().start(); } publicvoidstart()throwsIOException { // 1.Build language model Map<String, Double> langModel = buildLanguageModel("big.txt"); ...
Char #2Char !3Char @3Char $2Char %2 参考: HashMap java 程序:使用Stack,Queue,for或while循环检查回文串 原文:https://beginnersbook.com/2014/01/java-program-to-check-palindrome-string/ 在本教程中,我们将看到程序来检查给定的String是否是回文。以下是实现目标的方法。
isData((d2 = base64Data[dataIndex++]))) { return null;// if found "no data" just return null } b1 = base64Alphabet[d1]; b2 = base64Alphabet[d2]; d3 = base64Data[dataIndex++]; d4 = base64Data[dataIndex++]; if (!isData((d3)) || !isData((d4))) {// Check if they...
(char octect) { return (octect == PAD); } private static boolean isData(char octect) { return (octect < BASELENGTH && base64Alphabet[octect] != -1); } /** * Encodes hex octects into Base64 * * @param binaryData Array containing binaryData * @return Encoded Base64 array */ ...
StringReaderis another useful stream class; it essentially wraps stream functionality around aString. Here’s how to use aStringReader: Stringdata="There once was a man from Nantucket...";StringReadersr=newStringReader(data);charT=(char)sr.read();charh=(char)sr.read();chare=(char)sr.read()...
isData((d2 = base64Data[dataIndex++]))) { return null;// if found "no data" just return null } b1 = base64Alphabet[d1]; b2 = base64Alphabet[d2]; d3 = base64Data[dataIndex++]; d4 = base64Data[dataIndex++]; if (!isData((d3)) || !isData((d4))) {// Check if they...