Java Store Time Clock Objects
1. Create a Time class which is designed to contain objects representing times in 12-hour clock format. Eg: 6:58am, 11:13pm, 12:00am (= midnight), 12:00pm (= noon). You can assume the user will enter times in the format given by the previous examples.
Provide a default constructor, a set method which is given a String (eg: “9:42am”), a getHours method, a getMinutes method and a boolean isAm method. Also provide a method for returning a string “morning”, “afternoon”, “evening” or “night” appropriate (in your opinion) to the time.
Please see the NOTE below concerning input validation and exception.
2. Write a client program for Time which loops around getting strings from the user representing times and responding with a greeting such as “good morning” as appropriate. The user should enter the string “quit” to exit the program.
EXAMPLE run of client:
USER: 1:47 pm PROGRAM: good afternoon
USER: 6:76 am
PROGRAM: INVALID TIME, RE-ENTER
USER: 14:19am
PROGRAM: INVALID TIME, RE-ENTER
USER: 10:03am PROGRAM: good morning
USER: 7:00 pm PROGRAM: good evening
NOTE for questions 1 and 2: the set method for Time should detect input strings which do not represent valid times. An exception should be thrown in such a case. Clients (such as the one you are writing for question 2) will have to handle (or catch) the exceptions. Thus you will have to also write your own exception class which can be used by Time and the client class.
Homework Answers
1. Create a MyTime class which is designed to contain objects representing times in 12-hour clock...
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Here is the driver:
import java.util.*;
public class SquareDriver {
public static void main(String[] args)
{
Scanner keyboard = new Scanner(System.in);
String input ="";
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while(true)
{
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try
{
input = keyboard.nextLine();
if(input.equalsIgnoreCase("quit"))
break;
int length = Integer.parseInt(input);
Square s = new Square();
s.setLength(length);
s.draw();
System.out.println("The area is "+s.getArea());
System.out.println("The perimeter is "+s.getPerimeter());
}
catch(DimensionException e)...
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Here is the driver:
import java.util.*;
public class SquareDriver {
public static void main(String[] args)
{
Scanner keyboard = new Scanner(System.in);
String input ="";
System.out.println("Welcome to the easy square program");
while(true)
{
System.out.println("Enter the length of the side of a square or enter QUIT to quit");
try
{
input = keyboard.nextLine();
if(input.equalsIgnoreCase("quit"))
break;
int length = Integer.parseInt(input);
Square s = new Square();
s.setLength(length);
s.draw();
System.out.println("The area is "+s.getArea());
System.out.println("The perimeter is "+s.getPerimeter());
}
catch(DimensionException e)...
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