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 ...
importorg.apache.commons.lang3.StringUtils;publicclassCharUpperLowerCase{publicstaticvoidmain(String[]args){charchar1,char2;String string1="a";String string2="B";String string1UpperCase=StringUtils.capitalize(string1);String string2LowerCase=StringUtils.lowerCase(string2);char1=string1UpperCase.charAt...
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); char ch33 = Character.toUpperCase(ch3); System.out.println("The uppercase character...
publicclassJavaCharacterToUpperCaseExample1{publicstaticvoidmain(String[] args){// Create four char primitives.charch1, ch2, ch3, ch4;// Assign the values to ch1 and ch2.ch1 ='m'; ch2 ='q';// Assign the uppercase of ch1 and ch2 to ch3 and ch4 respectively.ch3 = Character.toUpperCase(...
You can use Charater class’s touppercase method to convert char to uppercase in java. Method signature Java 1 2 3 public static char touppercase(char ch) Parameters ch is primitive character type. Return type return type is char. If char is already uppercase then it will return same. ...
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.
Change char case In this chapter you will learn: Is Character a upper/lower Case The following code usesCharacter.isUpperCasemethod to tell is a char a uppercase char publicclassMain {publicstaticvoidmain(String[] args) {charsymbol ='A';/*fromjava2s.com*/if(Character.isUpperCase(symbol)) ...
使用toLowerCase()方法将字符串转换为小写形式: String str = "HelloWorld"; String lowerCaseStr = str.toLowerCase(); System.out.println(lowerCaseStr); // 输出:helloworld 复制代码 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(...
// Java program to demonstrate the example// of chartoUpperCase(Char value) method of Character classpublicclassToUpperCaseOfCharacterClass{publicstaticvoidmain(String[] args){// It returns P because the passing character is// already in UpperCasecharresult1 = Character.toUpperCase('P');// It ...
char ch = ' '; 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.