chaîne java en minuscules
String s1 = "JAVATPOINT HELLO stRIng";
String s1lower = s1.toLowerCase(); // s1lower = "javatpoint hello string"
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String s1 = "JAVATPOINT HELLO stRIng";
String s1lower = s1.toLowerCase(); // s1lower = "javatpoint hello string" // check lowercase or not in java..
public class Test {
public static void main(String args[]) {
System.out.println(Character.isLowerCase('c')); //true
System.out.println(Character.isLowerCase('C')); //false
System.out.println(Character.isLowerCase('\n')); //false
System.out.println(Character.isLowerCase('\t')); //false
}
}The toLowerCase() method converts a string to lower case letters. Note: The toUpperCase() method converts a string to upper case letters