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Following program shows you how to print character at given index in a given string.

import java.util.Scanner;

public class StringOperations8 {

    public static void main(String[] args) {

        String input;

        Scanner in = new Scanner(System.in);

        System.out.println("Please enter a string:");

        input = in.nextLine();

        int length = input.length();

        System.out.println("Please enter an index between 0 to " + (length - 1));

        int index = in.nextInt();

        if (index < 0 || index >= length) {

            System.out.println("Invalid input");

        } else {

            System.out.println("Character at given position is: " + input.charAt(index));
        }

    }
}

Output:

Please enter a string:
hello
Please enter an index between 0 to 4
1
Character at given position is: e



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