Before writing your first class HelloWorld, you need clarity.
This Core Java syllabus is designed as a hour-by-hour learning path, taking you from absolute beginner to a solid Java foundation that actually makes sense.
Each step below is a tutorial step, written to be simple, practical, and code focused.
🔰 Java Basics & Setup
Step 1: How to Install Java and IDEs on Windows, Linux, and Mac for Beginners
Step 2: Java Definition Explained – Fast & Easy Learning
Step 3: JVM, JRE, JDK – Unlock Java Components
🧱 Java Fundamentals (Core Concepts)
Step 4: Classes & Objects – Unlock Java Fundamentals (2nd Hour)
Step 5: Java Datatypes Explained – Easy Guide with Code (2nd Hour)
Step 6: Java Constructors Explained – Easy Guide with Code (3rd Hour)
Step 7: Java Variables Explained – Easy Guide with Code (4th Hour)
Step 8: Java Modifiers Explained – Easy Guide with Code (5th Hour)
Step 9: Java Operators Explained – Easy Guide with Code (6th Hour)
Step 10: Java Type Casting and Boxing Explained – Easy Guide with Code (6th Hour)
🧩 Java Structure & Organization
Step 11: Java Nested Classes Explained – Easy Guide with Code (7th Hour)
Step 12: Java Packages Explained – Easy Guide with Code (7th Hour)
🧠 Object-Oriented Programming (OOP) in Java
Step 13: Java Inheritance Explained – Easy OOP Guide with Code (8th Hour)
Step 14: Java Polymorphism Explained – Easy OOP Guide with Code (9th Hour)
Step 15: Java Abstraction Explained – Easy OOP Guide with Code (10th Hour)
Step 16: Java Encapsulation Explained – Easy OOP Guide with Code (11th Hour)
Step 17: this and super Keywords – Unlock Java Fundamentals + Code (11th Hour)
Step 18: Java Interfaces Explained – Easy Guide with Code (12th Hour)
📦 Core Java APIs & Utilities
Step 19: Java Arrays Explained – Easy Guide with Code (12th Hour)
Step 20: Java String Handling Explained – Easy Guide with Code (13th Hour)
Step 21: Proven Java Learning Path – Collection Frameworks Made Simple with Code (14th + 15th Hour)
⚠️ Exceptions, I/O & Concurrency
Step 22: Java Exception Handling Explained – Easy Guide with Code (16th + 17th Hour)
Step 23: Java I/O Package Explained – Easy Guide with Code (18th + 19th Hour)
Step 24: Java Multithreading Explained – Easy Guide with Code (20th + 21st Hour)
🧪 Advanced Core Java Topics
Step 25: Java Reflection API Explained – Easy Guide with Code (22nd Hour)
Step 26: Java Design Patterns Explained – Easy Guide with Code (23rd Hour)
Step 27: JDBC Explained – Easy Java Guide with Code (24th + 25th Hour)
🚀 Beyond Core Java: Versions, Migration & Interviews
Once you complete Core Java, these posts help you level up as a modern Java developer:
1- Learn Java 8 to Java 25 (LTS Versions Only) – Why You Must Migrate Now
→ Covers lambdas, streams, records, virtual threads, sealed classes, and modern Java best practices.
2- Java Versions 7–25 Compared – What’s New and Improved
→ Side-by-side comparison to clearly understand how Java evolved and why older code looks painful.
3- Top 100 Java Interview Questions – Ultimate Preparation Guide for Developers
→ Practical, real-world interview questions covering Core Java, OOP, collections, multithreading, and JVM concepts.
🎯 Who This Syllabus Is For
- Absolute beginners who hate confusing tutorials
- Developers switching from other languages
- Interview-focused learners who want real Java clarity
- Anyone tired of “Java in 10 minutes” lies
A really good blog and me back again.
Thanks for sharing these insights!
Keep it up! tpa.pp.ua has more pipeline tech.
**back biome**
Mitolyn is a carefully developed, plant-based formula created to help support metabolic efficiency and encourage healthy, lasting weight management.
**neurosharp**
Neuro Sharp is an advanced cognitive support formula designed to help you stay mentally sharp, focused, and confident throughout your day.
**boostaro reviews**
Boostaro is a purpose-built wellness formula created for men who want to strengthen vitality, confidence, and everyday performance.
**prostafense reviews**
ProstAfense is a premium, doctor-crafted supplement formulated to maintain optimal prostate function, enhance urinary performance, and support overall male wellness.
**men balance**
MEN Balance Pro is a high-quality dietary supplement developed with research-informed support to help men maintain healthy prostate function.
**mounja boost**
MounjaBoost is a next-generation, plant-based supplement created to support metabolic activity, encourage natural fat utilization, and elevate daily energywithout extreme dieting or exhausting workout routines.
**aqua sculpt**
aquasculpt is a premium metabolism-support supplement thoughtfully developed to help promote efficient fat utilization and steadier daily energy.
**herpafend official**
Herpafend is a natural wellness formula developed for individuals experiencing symptoms related to the herpes simplex virus. It is designed to help reduce the intensity and frequency of flare-ups while supporting the bodys immune defenses.
**prodentim**
ProDentim is a distinctive oral-care formula that pairs targeted probiotics with plant-based ingredients to encourage strong teeth, comfortable gums, and reliably fresh breath
This looks like exactly what I needed to get started with Java – a really clear and straightforward plan! I’m excited to follow along, thanks for putting this together.