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

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