Solution for assignment Watch class

This code is implemented by Anmol Bhatnagar/CSE Branch/Bhagwan Parshuram Institute of Technology(IP University)

import java.util.*;

public class Watch {

    /*

non static data members

   */

   int hour;

    int minute;

    int second;

    /*

parameterized constructor to initialize data members

     */

public Watch(int hour, int minute, int second) {

        this.hour = hour;

        this.minute = minute;

        this.second = second;

    }

/*

non static method to show the time in 12 hours format

*/

    void showTime12F()  {

        if (hour == 0 && minute >= 0 && minute < 60 && second >= 0 && second < 60) {

            System.out.println("12:" + minute + ":" + second + "  Midnight");

        } else if (hour > 0 && hour < 12 && second >= 0 && second < 60 && minute >= 0 && minute < 60) {

            System.out.println(hour + ":" + minute + ":" + second + "  AM");

        } else if (hour == 12 && second >= 0 && second < 60 && minute >= 0 && minute < 60) {

            System.out.println(hour + ":" + minute + ":" + second + "  Noon");

        } else if (hour > 12 && hour < 24 && second >= 0 && second < 60 && minute >= 0 && minute < 60) {

            System.out.println((hour - 12) + ":" + minute + ":" + second + "  PM");

        } else {

            System.out.println("Enter correct time....");

        }

    }

/*

non static method to show the time in 24 hours format

*/

    void showTime24()  {

        if (hour >=0 && hour < 24 && minute >= 0 && minute < 60 && second >= 0 && second < 60) {

            System.out.println(hour + ":" + minute + ":" + second + "  Hours");

        }

    }

    public static void main(String[] args) {

/*

object of scanner class created to take input from keyboard

*/

Scanner sc = new Scanner(System.in);

/*

get hour, minutes, and seconds from the keyboard

*/

System.out.print("Enter the hours (0 to 23)->");

int hours = sc.nextInt();

System.out.print("Enter the minutes (0 to 59)->");

int minutes = sc.nextInt();

System.out.print("Enter the seconds (0 to 59)->");

int seconds = sc.nextInt();

/*

create object of Watch and pass values of hours, minutes, and

seconds inside the parameterized constructor

*/

        Watch w = new Watch(hours,minutes,seconds);

/*

show a menu

*/

System.out.println("type 1 to show time in 12 hour format");

System.out.println("type 2 to show time in 24 hour format");

/*

take input for choice

*/

int choice = sc.nextInt();

if(choice==1) {

 System.out.println("---------------------------------------------");

 System.out.print("##   Time in 12 hour format is ");

 /*

 show time in 12 hour format by calling showTime12F() method

 */

 w.showTime12F();

 System.out.println("---------------------------------------------");

}

else if(choice==2) {

 System.out.println("---------------------------------------------");

 System.out.print("##  Time in 24 hour format is ");

 /*

 show time in 24 hour format by calling showTime24() method

 */

 w.showTime24();

 System.out.println("---------------------------------------------");

}

else {

 System.out.println("invalid choice");

}

    }

}