.codePointBefore()

Returns the Unicode value before the given index in the string.

string.codePointBefore(index)

• index (required): An int value that represents the Unicode value you want to retrieve for the element before the given index.

Print the Unicode value of the first character, "H" at the first index:

class FirstCharacterUnicodeValue {
  public static void main(String[] args) {
    String greeting = "Hello World";

    System.out.println(greeting.codePointBefore(1));
    // Output: 72
  }
}