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. The cod...
this.charAt(0).toUpperCase() + this.slice(1); // if allWords is undefined , capitalize only the first word , mean the first char of the whole string } 1. 2. 3. 4. 5. 然后: "capitalize just the first word".capitalize(); ==> "Capitalize just the first word" "capitalize all wo...
static String reverseString(final String input) { // recursive termination if (input.length() <= 1) return input; final char firstChar = input.charAt(0); final String remaining = input.substring(1); // recursive descent return reverseString(remaining) + firstChar; } 以下更紧凑的变型不具...
static String capitalize(String str) 首字母大写 static String uncapitalize(String str)首字母小写 StringUtils.capitalize("abcdefg"); 返回结果:Abcdefg 4. 字符串显示在一个大字符串的位置: static String center(String str, int size); 默认以空格填充 static String center(String str, int size, String pa...
var letterSet = new TreeSet<>(letters); "a".equals(letters.getFirst()); "c".equals(letters.getLast()); There’s also a new method called reversed that returns a SequencedCollection that is a view on the underlying collection but in reverse order, which makes it super easy to iterate...
public static boolean isNotEmpty(String str) 5、 Checks if a String is not empty (""), not null and not whitespace only. 判断一个字符串是否非空,空格作空处理. StringUtils.isNotBlank(null) = false StringUtils.isNotBlank("") = false StringUtils.isNotBlank(" ") = false StringUtils.isNot...
function capitalizeFirst(arr) { // define the recursion terminal condition if (!arr.length) return []; // utility to capitalize first letter const capWord = s => s.charAt(0).toUpperCase() + s.slice(1); // a well-written recursive function makes clear what each iteration does, here:...
If the name you choose consists of only one word, spell that word in all lowercase letters. If it consists of more than one word, capitalize the first letter of each subsequent word. The names gearRatio and currentGear are prime examples of this convention. If your variable stores a consta...
c.accept(String::toLowerCase); // IDEA will generate an alert indicating the risk of an endless loop. Ignore the alert. while (true) { // Yield functions with the first letter capitalized on demand. c.accept(capitalize); } };
<Property name="capitalizeTypeNames" required="No" default="true" sortOrder="alpha" since="2.0.7"> Capitalize type names in DatabaseMetaData? (usually only useful when using WebObjects, true/false, defaults to 'false') </Property> <Property name="clobCharacterEncoding" required="No" default...