String str = "hello world!";
// capitalize first letter
String output = str.substring(0, 1).toUpperCase() + str.substring(1);
// print the string
System.out.println(output);
// Hello world!
if (Character.isUpperCase(val)) {
System.out.println("Character is in Uppercase!");
}else {
System.out.println("Character is in Lowercase!");
}String var_name = "Jerry";
System.out.println(var_name.toUpperCase()); //JERRYstring s="hello";
s = Character.toUpperCase(s.charAt(0)) + s.substring(1);
The output will be: Hellopublic class Guru99 {
public static void main(String args[]) {
String S1 = new String("minúsculas convertidas en mayúsculas");
// Convertir a UpperCase
System.out.println(S1.toUpperCase());
}
}
String str = "java";
String cap = str.substring(0, 1).toUpperCase() + str.substring(1);