Write a Java program to get the character (Unicode code point) before the specified index within the String.

Java Programming Language String in java (Article) String in java (Program)

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Program:

public class Exercise2 {

   public static void main(String[] args) {

    String str = "atnyla.com";
    System.out.println("Original String : " + str);

    // codepoint before index 1
    int val1 = str.codePointBefore(1);

   // codepoint before index 9
    int val2 = str.codePointBefore(9);

    // prints character before index1 in string
    System.out.println("Character(unicode point) = " + val1);
    // prints character before index9 in string
    System.out.println("Character(unicode point) = " + val2);
  }
}

Output:

Original String : atnyla.com
Character(unicode point) = 97
Character(unicode point) = 111
Press any key to continue . . .

Explanation:

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