Karunadithiyan

 import java.io.*; import java.util.Scanner; public class FileOperations {     public static void main(String[] args) {         Scanner scanner = new Scanner(System.in);         String fileName = "example.txt";         int choice;         do {             System.out.println("Choose an action: ");             System.out.println("1. Read");             System.out.println("2. Write");             System.out.println("3. Update");             System.out.println("4. Delete");             System.out.println("5. Exit");             choice = scanner.nextInt();             scanner.nextLine(); // Consume newline             switch (choice)...