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 ...
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 = (...
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。
Java Character to Uppercase - Learn how to convert characters to uppercase in Java with simple examples and explanations. Master the Character.touppercase method effectively.
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);...
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(...
Write a Java program to convert a string to uppercase and then replace all vowels with a specified character. Write a Java program to transform a string to uppercase and then check if it is a palindrome. Java Code Editor: Improve this sample solution and post your code through Disqus ...
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);...
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)) ...
publicclassMain {//www.java2s.compublicstaticvoidmain(String[] args) {intcp1 = 0x0071;intcp2 = 0x0570;intcp3 = Character.toUpperCase(cp1);intcp4 = Character.toUpperCase(cp2); String str1 ="Uppercase equivalent of "+ cp1 +" is "+ cp3; ...