tutorialspoint; public class CharacterDemo { public static void main(String[] args) { // create 4 char primitives char ch1, ch2, ch3, ch4; // assign values to ch1, ch2 ch1 = '4'; ch2 = 'q'; // assign uppercase of ch1, ch2 to ch3, ch4 ch3 = Character.toUpperCase(ch1); ch4 ...
Here, the specified characters are converted into its equivalent uppercase characters. public class StudyTonight { public static void main(String[] args) { char ch1 = 'F'; char ch2 = 'n'; char ch3 = '1'; char ch11 = Character.toUpperCase(ch1); char ch22 = Character.toUpperCase(ch2);...
使用Character类的toUpperCase()方法将字符转换为大写形式: char c = 'a'; char upperCaseChar = Character.toUpperCase(c); System.out.println(upperCaseChar); // 输出:A 复制代码 使用Character类的toLowerCase()方法将字符转换为小写形式: char c = 'A'; char lowerCaseChar = Character.toLowerCase(...
The uppercase for the character 'n' is given as:N 例子2 publicclassJavaCharactertoUpperCaseExample_2{publicstaticvoidmain(String[] args){// Initialize two char primitives.intcodepoint1 =119;intcodepoint2 =80;// Convert the codepoints to char type.charch1 = (char) codepoint1;charch2 = (...
Quiz on Java Character to Uppercase - Learn how to convert characters to uppercase in Java using the Character class. Explore examples and syntax for effective coding.
The parameter passed is the Unicode code point character value to be converted. Returns: Returns the uppercase equivalent of the specified character, if any; otherwise, the character itself. Example 1: Here, the specified characters are converted into its equivalent uppercase characters. ...
UpperCasecharresult1 = Character.toUpperCase('P');// It returns P because the passing character will// be converted to UpperCase by usingtoUpperCase()charresult2 = Character.toUpperCase('p');// Display values of result1 , result2System.out.println("Character.toUpperCase('P'):"+ result1);...
boolean isWhitespace = Character.isWhitespace(ch); // 返回 true 1. 2. toUpperCase() toUpperCase() 方法用于将给定字符转换为大写: char ch = 'a'; char upperCaseCh = Character.toUpperCase(ch); // 返回 'A' 1. 2. toLowerCase()
通过Character.toUpperCase()方法把小写字母变为大写，通过Character.toLowerCase()方法把大写字母变为小写...
Character.isLowerCase(char c) || Character.isUpperCase(char c) LowerCase是小写,UpperCase是大写; 判断一个字符是字母或数字 Character.isLetterOrDigit(char c) 将字母转换为大写 Character.toUpperCase(char c); 将字母转换为小写 Character.toLowerCase(char c);...