.codePointBefore()

christian.dinh's avatar
Published Jul 23, 2021Updated Sep 3, 2021
Contribute to Docs

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

Syntax

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

Example 1

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
}
}

All contributors

Contribute to Docs

Learn Java on Codecademy