JAVA-Daily-Tasks

Day 15 - Mini Projects

Introduction

Day 15 is the final day of my 15-day Java practice series.

This folder contains five console-based mini projects that combine Java fundamentals, Object-Oriented Programming, collections, loops, conditional statements, and user input.

Objectives

Apply Java fundamentals to practical problems
Practice classes and objects
Use ArrayList to store and manage data
Build menu-driven console applications
Handle user input and validate values
Improve logical thinking and problem-solving skills

Topics Covered

Classes and Objects
ArrayList
Scanner
Conditional Statements
Loops
Switch Statements
Methods and Constructors
Random Number Generation
Data Validation
Menu-Driven Applications

Folder Structure

Day-15-Mini-Projects/
│
├── Questions/
│   └── Questions.txt
│
├── Solutions/
│   ├── Q01_Student_Management_System.java
│   ├── Q02_Bank_Account_Management.java
│   ├── Q03_ATM_Simulation.java
│   ├── Q04_Number_Guessing_Game.java
│   └── Q05_To_Do_List.java
│
├── Screenshots/
│   ├── Output_1.png
│   ├── Output_2.png
│   ├── Output_3.png
│   ├── Output_4.png
│   └── Output_5.png
│
└── README.md

Mini Projects

Q01 - Student Management System

Add students, display all students, and search for a student using their ID.

Solution: Q01_Student_Management_System.java

Student Management System Output 1

Student Management System Output 2

Q02 - Bank Account Management

Check the balance, deposit money, and withdraw money with balance validation.

Solution: Q02_Bank_Account_Management.java

Bank Account Management Output

Q03 - ATM Simulation

Use a menu-driven interface to check balance, deposit money, withdraw money, and exit.

Solution: Q03_ATM_Simulation.java

ATM Simulation Output

Q04 - Number Guessing Game

Guess a randomly generated number between 1 and 100. Receive hints and track the number of attempts.

Solution: Q04_Number_Guessing_Game.java

Number Guessing Game Output

Q05 - To-Do List Application

Add, display, and remove tasks using an ArrayList.

Solution: Q05_To_Do_List.java

To-Do List Output

How to Compile and Run

Open PowerShell and navigate to the Solutions folder:

cd "C:\Disk D\Full Stack fol\JAVA-Daily-Tasks\Day-15-Mini-Projects\Solutions"

Compile all five Java programs:

javac *.java

Run the programs individually:

java Q01_Student_Management_System
java Q02_Bank_Account_Management
java Q03_ATM_Simulation
java Q04_Number_Guessing_Game
java Q05_To_Do_List

Technologies Used

Java
VS Code
PowerShell
Git
GitHub

Learning Outcomes

Through these mini projects, I practiced:

Combining Java concepts into complete applications
Managing collections of objects
Implementing menu-driven programs
Validating user input
Using loops and switch statements
Building simple console-based applications

Progress

Day	Topic	Status
Day 01	Java Basics	Completed
Day 02	Conditional Statements	Completed
Day 03	Real-World Conditions	Completed
Day 04	Loops	Completed
Day 05	Number Programs	Completed
Day 06	Pattern Programs	Completed
Day 07	Arrays Basics	Completed
Day 08	Arrays Problem Solving	Completed
Day 09	String Basics	Completed
Day 10	Methods	Completed
Day 11	OOP Basics	Completed
Day 12	OOP Advanced	Completed
Day 13	Collections	Completed
Day 14	Exception & File Handling	Completed
Day 15	Mini Projects	Completed

Final Status

15-Day Java Daily Tasks Practice Series Completed!