Package SolvishR

Class ExamSaver

java.lang.Object

SolvishR.ExamSaver

public class ExamSaver
extends Object

The SolvishR.ExamSaver class is responsible for saving exam results, showing exam history, and deleting exam history records. It follows the Singleton pattern to ensure only one instance is created. The class uses file operations to manage exam history data.

Version:

1.0

Author:

Adib Sakhawat

Field Summary

Fields

Modifier and Type	Field	Description
final String	drive	The drive where exam history data is stored.
final String	file	The file where exam history data is stored.
final String	folder	The folder where exam history data is stored.

Method Summary

Modifier and Type	Method	Description
void	checkAndCreateFolder()	Checks and creates the folder and file for storing exam history data.
void	deleteHistory()	Deletes the exam history file.
static ExamSaver	getInstance()	Gets the singleton instance of the SolvishR.ExamSaver.
void	saveExam(Exam e)	Saves exam results to the exam history file.
void	showHistory()	Shows the exam history by reading and displaying data from the exam history file.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

drive

public final String drive

The drive where exam history data is stored.

See Also:

• Constant Field Values

folder

public final String folder

The folder where exam history data is stored.

See Also:

• Constant Field Values

file

public final String file

The file where exam history data is stored.

See Also:

• Constant Field Values

Method Details

getInstance

public static ExamSaver getInstance()

Gets the singleton instance of the SolvishR.ExamSaver.

Returns:

The singleton instance of the SolvishR.ExamSaver.

checkAndCreateFolder

public void checkAndCreateFolder()

Checks and creates the folder and file for storing exam history data.

saveExam

public void saveExam(Exam e)

Saves exam results to the exam history file.

Parameters:

e - The exam whose results need to be saved.

showHistory

public void showHistory()

Shows the exam history by reading and displaying data from the exam history file.

deleteHistory

public void deleteHistory()

Deletes the exam history file.