Campus Course Records Manager

Created By

Name : Sanyogita Singh
Registration Number: 24BCE10550
Course : Programming in Java
Course Code: CSE2006
Institution:VIT Bhopal University
Project for Vityarthi Course

Project Overview

Campus Course & Records Manager (CCRM) is a console-based Java SE application designed to help an institute manage its academic records. It provides modules for students, courses, enrollment, grades, and file operations (import/export, backups).

The project demonstrates core Object-Oriented Programming (OOP) concepts, modern Java features (Streams, Date/Time API, NIO.2), and design patterns (Singleton, Builder).

How to Setup and Run

Requirements

• Java JDK 17+
• Eclipse IDE (or any Java IDE)
• Git
• Command Prompt or Terminal

Compile & Run (CLI):

1. Download the project files
2. Open Command Prompt
3. Go to the project folder: cd Desktop\CampusCourseRecordsManager\src
4. Compile the code: javac -d ../out edu/ccrm/cli/CCRMApplication.java
5. Run the program: cd ../out java edu.ccrm.cli.CCRMApplication

Or simply run Main.java inside Eclipse

Project Structure

edu.ccrm<br>
├─ cli/        # Console menu & input handling<br>
├─ domain/     # Person, Student, Instructor, Course, Enrollment, enums<br>
├─ service/    # Services for managing students, courses, enrollment, transcripts<br>
├─ io/         # Import/Export, Backup (NIO.2)<br>
├─ util/       # Validators, comparators, recursion utils<br>
├─ config/     # Singleton config (AppConfig)

Features Implemented

Student Management

• Add Student
• List All Students
• Update Student
• Deactivate Student
• Display Student Profile

Course Management

• Add Course
• List All Courses
• Update Course
• Deactivate Course
• Search Courses

Enrollment & Grading

• Enroll Student in Course
• Unenroll Student from Course
• Record Grade

Reports

• Top Students by GPA
• GPA Distribution
• Course Statistics
• Student Statistics

Backup & File Operations

• Create Backup
• Show Backup Directory Size
• List Backup Files
• Export Data

Search Operations ===

• Search Students by Status
• Search Students by GPA Range
• Search Courses by Credits

Evolution of java

• 1995: Java 1.0 released by Sun Microsystems

• 2004: J2SE 5.0 introduced generics, autoboxing, enums

• 2014: Java SE 8 introduced Lambdas and Stream API

• 2018: Java SE 11 (LTS) with modularization

• 2021: Java SE 17 (LTS) with sealed classes

• 2023: Java SE 21 (LTS) with virtual threads

• Java Platforms Comparison

Java Editions

Aspect	Java ME	Java SE	Java EE
Purpose	Mobile & Embedded	Desktop & Server	Enterprise
Scope	Limited API	Full Core API	Enterprise Extensions
Target	IoT devices	Applications	Web Services
This Project	❌	✅	❌

Java Architecture

JDK (Java Development Kit)

It is a complete development package for Java programmers. It contains compiler (javac) to convert Java code to bytecode. It contains Tools (java, jar, javadoc) for development. It contains Libraries and development files. It is used for development of Java applications.

JRE (Java Runtime Environment)

It is an environment to run Java applications. It contains JVM (Java Virtual Machine). It contains Core libraries and classes. It contains Support files. It is used to execute Java programs (end-users need this).

JVM (Java Virtual Machine)

It is a Virtual machine that executes Java bytecode. It loads bytecode. It verifies code safety. It executes code line by line. It provides memory management (garbage collection). It makes Java platform-independent (Write Once, Run Anywhere).

Windows Installation Steps

1. Download JDK 21 from Oracle website
2. Run installer and follow setup instructions
3. Set JAVA_HOME environment variable to JDK installation path
4. Add %JAVA_HOME%\bin to system PATH
5. Verify installation with java -version and javac -version

(See screenshots/java-install-verification.png)

Eclipse Setup Steps

1. Download Eclipse IDE for Java Developers
2. Extract and run eclipse.exe
3. Configure Installed JREs to point to JDK 21
4. Import project as Existing Projects into Workspace
5. Set run configuration for CCRMApplication main class

(See screenshots/eclipse-setup.png)

Syllabus Topic Mapping

1. Java Introduction & Basics

Topic	File/Class	Method/Example
Java Variables & Data Types	All domain classes	Field declarations
Java Operators	CCRMApplication.java	demonstrateOperators()
Java Input and Output	CCRMApplication.java	Scanner usage throughout
Java Comments	All files	Code comments
Java Expressions & Blocks	All files	Method implementations

2. Java Flow Control

Topic	File/Class	Method/Example
if-else statements	Student.java	enrollInCourse()
switch Statement	CCRMApplication.java	Menu system
for Loop	CCRMApplication.java	displayStudentProfile()
for-each Loop	StudentService.java	findAll() method
while Loop	CCRMApplication.java	Main menu loop
break Statement	CCRMApplication.java	Labeled break
continue Statement	CCRMApplication.java	displayStudentProfile()

3. Java OOP (Basics)

Topic	File/Class	Method/Example
Class and Objects	All domain classes	Class definitions
Methods	All classes	Method implementations
Constructor	All domain classes	Constructors
Strings	All files	String manipulations
Access Modifiers	All classes	private, protected, public
this keyword	All domain classes	Constructor usage
final keyword	Name.java	Immutable class
Recursion	BackupService.java	calculateDirectorySize()
instanceof Operator	CCRMApplication.java	demonstratePolymorphism()

4. Java OOP (Inheritance & Polymorphism)

Topic	File/Class	Method/Example
Inheritance	Person.java → Student.java	extends keyword
Method Overriding	Student.java	displayProfile() override
super Keyword	Student.java	Constructor super()
Abstract Class & Method	Person.java	abstract class/methods
Interfaces	Persistable.java	Interface implementation
Polymorphism	CCRMApplication.java	displayProfile() calls
Encapsulation	All domain classes	Getters/setters

5. Java OOP (Other types of classes)

Topic	File/Class	Method/Example
Nested & Inner Class	Student.Statistics	Static nested class
Static Class	Comparators.java	Static utility class
Anonymous Class	Comparators.java	BY_REGISTRATION_DATE
Singleton Pattern	AppConfig.java	getInstance() method
enum Class	Grade.java, Semester.java	Enums with fields
enum Constructor	Grade.java	Enum constructors
enum String	All enums	toString() overrides

6. Java Exception Handling

Topic	File/Class	Method/Example
Exceptions	Custom exception classes	Exception hierarchy
Exception Handling	CCRMApplication.java	try-catch blocks
try-catch	CCRMApplication.java	manageBackup() method
throw and throws	Student.java	enrollInCourse()
Custom Exceptions	DuplicateEnrollmentException.java	Custom exception classes

7. Java Collections & I/O Streams

Topic	File/Class	Method/Example
Collections Framework	All services	ArrayList, HashMap
List Interface	All services	List usage
ArrayList	StudentService.java	students collection
I/O Streams	BackupService.java	Files operations
Byte-oriented streams	BackupService.java	Files.write()
String operations	All files	String manipulations
Arrays	All services	Array operations

Assertions and Exceptions

To enable assertions (for credit limit validation), run with the -ea flag:

java -ea edu.ccrm.cli.CCRMApplication

Custom exceptions include:

• DuplicateEnrollmentException
• MaxCreditLimitExceededException

Repo Owner: Sanyogita Singh / Sanyogita45