Java program

 import java.io.*; import java.util.Scanner; class FS {     public static void main(String[] args) {         Scanner scanner = new Scanner(System.in);         String fileName = "msc1.txt";         int choice;         do {             System.out.println("\nFile Operations Menu:");             System.out.println("1. Create a File");             System.out.println("2. Write to the File");             System.out.println("3. Read from the File");             System.out.println("4. Update the File");             System.out.println("5. Delete the File");             System.out.print("Enter your choice: ");             choice = scanner.nextInt();     ...

 import java.util.Scanner; class Questions {     public String[][] qpa;      public String[][] qca;      Questions() {         qpa = new String[10][5];         // questions and objectives         qpa[0][0] = "Which keyword is used to define a class in Java?";         qpa[0][1] = "1. define";         qpa[0][2] = "2. class";         qpa[0][3] = "3. Class";         qpa[0][4] = "4. def";         qpa[1][0] = "Which method is the entry point of a Java program?";         qpa[1][1] = "1. start()";         qpa[1][2] = "2. main()";         qpa[1][3] = "3. init()";         qpa[1][4] = "4. run()";         qpa[2][0] = "Which package contains the Random class?";         qpa[2][1] =...