Java Character.codePointBefore (char[] a, int index, int start)

public static int codePointBefore(char[] a,   int index,   int start)

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public class Main {

   public static void main(String[] args) {
      char[] c = new char[] { 'A', 'b', 'C', 'd'};

      int index  = 3, start = 1;

      int res = Character.codePointBefore(c, index, start);

      String str = "Unicode code point is " + res;

      System.out.println( str );
   }
}