We know that theStringclass offers us two methods:toUpperCase()andtoLowerCase().If a string’s (s) characters are in uppercase, then the string (s) must equal the result ofs.toUpperCase().Therefore, following this idea, let’s create two check methods, one for uppercase check and the ...
toLowerCase()方法是String类方法,用于将给定的字符串转换为小写。 Syntax: 句法: String String_object.toLowerCase(); Here, String_object is a String object which we have to convert into lowercase. The method does not change the string; it returns the lowercase converted string. 在这里, String_...
Below is an example of converting a string to lowercase and uppercase ? Open Compiler import java.lang.*; public class StringDemo { public static void main(String[] args) { // converts all upper case letters in to lower case letters String str1 = "SELF LEARNING CENTER"; System.out.pri...
InfoThe space character in the string "The Golden Bowl" is not changed. You cannot uppercase a space. public class Program { public static void main(String[] args) {// A mixed-case string.String value1 ="The Golden Bowl";// Change casing.String upper = value1.toUpperCase(); String ...
public static void main(String[] args) { String strl = "HELLO DINESH THAKUR"; System.out.println("str1.toLowerCase() = " + strl.toLowerCase()); } } You’ll also like: JSTL fn:toLowerCase() Function String Sorting in Java Example String toUpperCase() in Java Example ...
Java Code: // Define a public class named Exercise29.publicclassExercise29{// Define the main method.publicstaticvoidmain(String[]args){// Declare and initialize a string variable.Stringstr="The Quick BroWn FoX!";// Convert the above string to all lowercase.StringlowerStr=str.toLowerCase()...
String class in java provides a method toLowerCase() which converts all characters of the string tolowercase. toLowerCase() uses the default parameter “Local.getDefault()” when nothing is specified as the parameter explicitly. This method should be used carefully as it is Local sensitive ot...
String toUpperCase(): It is equavalent totoUpperCase(Locale.getDefault()). Example: toUpperCase() method importjava.util.Locale;publicclassUpperCaseExample{publicstaticvoidmain(Stringargs[]){Stringstr=newString("this is a test string");//Standard method of conversionSystem.out.println(str.toUpperCas...
In this quick tutorial, we’ll illustrate how we cancheck if aStringis containing at least one of each of the following: uppercase letter, lowercase letter, digit or special character in Java. 2. Using Regular Expressions One of the ways to perform our check is by using regular expressions...
import java.util.Scanner; public class CountUpperAndLowerCaseLetters { public static void main(String[] args) { //Scanner is a class used to get the output from the user Scanner Kb=new Scanner(System.in); System.out.println("How man strings u want to check?"); //Take the input of ...