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Java Complete Tutorial

Learn Java from basic syntax to OOP, exceptions, collections and interview questions. Every lesson has clear notes, syntax, example program, output, explanation, mistakes and practice tasks.

📚 61 Topics✅ Useful Notes🎯 Interview Q&A💻 Programs + Output
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Course Content

Complete Core Java — from syntax and OOP to collections, Java 8, practical file programs and interview preparation in a structured, practical learning path.

🟢 FOUNDATION

🟢 Beginner – Java Foundation

9 Lessons
01Introduction to Java02JDK, JRE and JVM03Java Setup and Installation04Hello World Program in Java05Variables in Java06Data Types in Java07Operators in Java08Type Casting in Java09User Input using Scanner
🟡 CONTROL

🟡 Control Flow and Core

6 Lessons
01If-Else Statements02Switch Case03Loops (for, while, do-while)04Arrays in Java05Strings in Java06Methods in Java
🟣 OOP

🟣 Object-Oriented Programming

7 Lessons
01OOP Concepts02Classes and Objects03Constructors04Inheritance05Polymorphism06Abstraction and Interfaces07Encapsulation
🔴 ADVANCED

🔴 Exceptions, Collections and Interview

3 Lessons
01Exception Handling02Collections (ArrayList, HashMap)03Java Interview Questions
✅ PRACTICE

Practice Programs

2 Lessons
0150 Java Practice Programs02Practical File Programs (with Compiler)
📘 ADV JAVA

Advanced Java

10 Lessons
01static Keyword02this and super03Overloading vs Overriding04final, finally, finalize05Custom Exceptions06Access Modifiers07Why No Multiple Inheritance08Wrapper Classes & Autoboxing09Multithreading10Synchronization
📘 JAVA COLLECTIONS

Collections & Java 8

11 Lessons
01String vs StringBuffer vs StringBuilder02ArrayList vs LinkedList03HashMap vs HashTable04HashSet vs TreeSet05Comparable vs Comparator06Java 8 Features07Lambda Expressions08Stream API09Garbage Collection10Serialization11Singleton Pattern
📘 JAVA PROGRAMS

Java Programs & DSA

13 Lessons
01Palindrome Number02Armstrong Number03Factorial (Recursion)04Bubble Sort05Binary Search06Reverse String07Matrix Multiplication08Calculator (Switch)09JDBC MySQL Connection10Second Largest in Array11Anagram Check12Remove Duplicates13Floyds Triangle
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