Java String - codePointBefore() Method

The Java codePointBefore() method returns the character (Unicode code point) before the specified index in the given string. An index argument must be in the ranges from 1 to length().

Syntax

public int codePointBefore(int index)

Parameters

Return Value

Returns the character (Unicode code point) before the specified index in the given string.

Exception

Throws IndexOutOfBoundsException, if the index argument is less than 1 or greater than the length of the string.

Example:

In the example below, codePointBefore() method returns the character (Unicode code point) before the specified index in the string called MyString.

public class MyClass {
  public static void main(String[] args) {
    String MyString = "Hello World!.";
    System.out.println(MyString.codePointBefore(5));   
  }
}

The output of the above code will be:

111