String emptyOutput = StringUtils.capitalize(EMPTY_INPUT); assertEquals(EMPTY_EXPECTED, emptyOutput); String nullOutput = StringUtils.capitalize(null); assertNull(nullOutput); 6. Conclusion In this article, we’ve learned how to convert the first character of a given string to upper case. ...
从javadoc:stringutils.capitalize("cat")="cat" 大写将每个单词的第一个字母大写,而不仅仅是第一个字母。 StringUtils.capitalize("fred from jupiter" );产生"Fred from jupiter"。只有字符串对象中的第一个字符是大写的。 1 Stringout=Character.toUpperCase(inText.charAt(0))+inText.substring(1).toLowerCase...
The simplest way to capitalize the first letter of a string in Java is by using the String.substring() method: String str = "hello world!"; // capitalize first letter String output = str.substring(0, 1).toUpperCase() + str.substring(1); // print the string System.out.println(output...
String capitalizedString = StringUtils.capitalize(string); 可使用Kotlin的扩展函数特性重写为: fun String.capitalize2(): String { return substring(0, 1).uppercase() + substring(1); }val string = randomString()val capitalizedString = string.capitalize2() Kotlin提供了使用新功能扩展类或接口的能力,...
var str = "javascript capitalize string"; var res = str.replace(/wS*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();}); This code is written in JavaScript. It defines a function that capitalizes the first letter of each word in a string. The fu...
关于java:在String中首字母大写capitalizejavastringbuilder Capitalise first letter in String 本问题已经有最佳答案,请猛点这里访问。 我无法将字符串中的第一个字母转换为大写: 12345 rackingSystem.toLowerCase(); // has capitals in every word, so first convert all to lower case StringBuilder rackingSystem...
Matcher; import java.util.regex.Pattern; public class Main{ public static String capitalize(final String word) { if (word.length() > 1) { return String.valueOf(word.charAt(0)).toUpperCase() + word.substring(1); }//from w w w .java2 s .co m return word; } } ...
s1 = s.capitalize() # 首字母大写 print(s) # 原字符串不变还是 qweRTyuiop print(s1) #Qwertyuiop 原字符串中大写的字母变成小写,只有首字母变成大写 1. 2. 3. 4. 2) 全部转换成大(小)写 语法:大写:s1 = s.upper(). 小写:s2 = s.lower() ...
= null ? remoteAddr : request.getRemoteAddr(); } /** * 驼峰命名法工具 * * @return toCamelCase(" hello_world ") == "helloWorld" * toCapitalizeCamelCase("hello_world") == "HelloWorld" * toUnderScoreCase("helloWorld") = "hello_world" */ public static String toCamelCase(String s, ...
Java String: Exercise-45 with Solution Write a Java program to reverse words in a given string. Visual Presentation: Sample Solution-1: Java Code: // Importing necessary Java utilities.importjava.util.*;// Define a class named Main.publicclassMain{// Method to reverse words in a given stri...