to upper case

1let lowerCase = "javascript is fun!";
2let upperCase = lowerCase.toUpperCase();
3
4console.log(upperCase);
5// "JAVASCRIPT IS FUN!" will log to the console

1const String = "Node Express";
2const Upper = String.toUpperCase();

1echo example | awk -F 'd' '{ print toupper($1)}'
2EXAMPLE		#Example first uppercased outputed

1public class Test {
2
3   public static void main(String args[]) {
4      System.out.println(Character.isUpperCase('c'));
5      System.out.println(Character.isUpperCase('C'));
6      System.out.println(Character.isUpperCase('\n'));
7      System.out.println(Character.isUpperCase('\t'));
8   }
9}