Java Learning Repository ☕

A structured collection of my Java learning journey, covering Core Java (Java SE), Object-Oriented Programming, Collections Framework, Multithreading, JDBC, and Data Structures & Algorithms.

About

This repository contains programs, examples, and exercises that I created while learning Java. The goal is to build a strong foundation in Java programming, problem-solving, and backend development concepts.

Topics Covered

Core Java

• Java Basics
• Operators
• Conditional Statements
• Switch Cases
• Loops
• Functions & Methods
• Arrays
• Strings
• Recursion

Problem Solving

• Mathematics for DSA
• Backtracking

Object-Oriented Programming

• Classes & Objects
• Constructors
• Inheritance
• Polymorphism
• Abstraction
• Encapsulation

Advanced Java

• Multithreading
• Collections Framework
• JDBC
• PostgreSQL Connectivity

Data Structures & Algorithms

• Searching
• Sorting
• Linked Lists
• Stacks & Queues

Project Structure

learning_java24/
├── N1_JavaBasics
├── N2_Conditionals
├── N3_Loops
├── N4_SwitchCase
├── N5_Functions
├── N6_Arrays
├── N7_Strings
├── N8_Recursion
├── N9_Operators
├── N10_MathsForDsa
├── N11_Backtracking
├── N12_OOPs
├── N13_Threads
├── N14_Collections
└── N15_JDBC_PostgreSQL

Java_DSA24/
├── N1_Searching
├── N2_Sorting
├── N3_LinkedList
└── N4_Stacks_n_Queues

Purpose

• Strengthen Java fundamentals
• Practice object-oriented programming
• Learn industry-relevant Java concepts
• Build a strong foundation for Spring Boot and Backend Development
• Improve problem-solving skills through DSA

Tools & Technologies

• Java (JDK 17+)
• IntelliJ IDEA
• PostgreSQL
• JDBC
• Git & GitHub

Future Goals

• Complete advanced DSA topics
• Learn Design Patterns
• Build Spring Boot projects
• Explore Microservices and Backend Development

Author

Sameer Mourya