Java Lab Projects — All 5 Experiments

📚 Lab Manual Index

Exp	Project Name	Topics Covered	DB
1	Simple Multithreaded Chat	Sockets, Thread per client	No
2	Concurrent Chat System	ExecutorService, Broadcast, CopyOnWriteList	No
3	Mini Banking App (JDBC)	JDBC, CRUD, PreparedStatement	MySQL
4	Banking with Deposit/Withdraw/Transfer	JDBC Transactions, commit/rollback	MySQL
5	Shopping Cart (JSP + Servlets)	Servlets, JSP, HttpSession, WAR deploy	No

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🗂️ Folder Structure

JavaLabProjects/
├── Exp1-MultithreadedChat/
│   ├── src/  ChatServer.java  ChatClient.java
│   ├── docs/ README  Requirements  How-to-Run
│   └── pom.xml
│
├── Exp2-ConcurrentChat/
│   ├── src/  ConcurrentChatServer.java  ConcurrentChatClient.java
│   ├── docs/ README  Requirements  How-to-Run
│   └── pom.xml
│
├── Exp3-MiniBankingJDBC/
│   ├── src/      MiniBankingApp.java
│   ├── database/ minibank.sql
│   ├── docs/     README  Requirements  How-to-Run
│   └── pom.xml
│
├── Exp4-BankingOperations/
│   ├── src/      BankingApp.java
│   ├── database/ bankapp.sql
│   ├── docs/     README  Requirements  How-to-Run
│   └── pom.xml
│
└── Exp5-ShoppingCart/
    ├── src/main/java/com/shop/
    │   ├── Product.java  CartItem.java
    │   ├── ProductServlet.java  CartServlet.java
    ├── src/main/webapp/
    │   ├── index.jsp  cart.jsp
    │   └── WEB-INF/web.xml
    ├── docs/ README  Requirements  How-to-Run
    └── pom.xml

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⚡ Quick Start Guide

Exp 1 & 2 (Chat Apps — No DB needed)

cd Exp1-MultithreadedChat/src
javac ChatServer.java && javac ChatClient.java
# Terminal 1:
java ChatServer
# Terminal 2:
java ChatClient

Exp 3 & 4 (Banking Apps — MySQL required)

# 1. Import SQL first:
mysql -u root -p < Exp3-MiniBankingJDBC/database/minibank.sql
# 2. Update DB_PASS in the Java file
# 3. Run:
cd Exp3-MiniBankingJDBC && mvn compile && mvn exec:java

Exp 5 (Shopping Cart — Tomcat required)

cd Exp5-ShoppingCart
mvn clean package
# Copy target/shopping-cart.war to Tomcat webapps/
# Start Tomcat, open: http://localhost:8080/shopping-cart/products

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🛠️ Software Requirements Summary

Software	Version	Used In
Java JDK	17+	All
Maven	3.8+	All
MySQL Server	8.0	Exp 3, 4
Apache Tomcat	10.x	Exp 5
Web Browser	Any	Exp 5

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Generated for college lab submissions — Java 17 compliant, beginner-friendly.