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Ajay Dabade | Python & Java Learning Notes Ajay Dabade | Python & Java Learning Notes

Clear and practical Java & Python programming for engineering students.

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8-📘 Interfaces in Java – Complete In-Depth Guide (with Examples, Inheritance & Comparisons)

🔰 Introduction In Java, an interface is a powerful feature used to define a contract that classes must follow. It plays a crucial role in: ✅ Abstraction ✅ Multiple inheritance ✅ Loose coupling ✅ Scalable system…
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Java Basics

Chapters

  • 1-Thinking of Java Programming? Get started with the most easy way!
  • 2-This Java Installation and Setup Article will make your life easy.
  • 3-Are these Java terminologies : JDK, JRE, JVM and WORA confusing you? Read Now to find out.
  • 4-Why Java Uses Both Compiler and Interpreter? You really would fall in love with Java.
  • 6-Why we need Object Oriented Programming? Read to find it!
  • 7-Why Object Oriented Programming is Important. Understand its characteristics
  • 8-Difference between a Variable and Literal. Clear your confusion.
  • 9-How to use comments the right way.
  • 10-Writing your First Hello World Program in Java? Here is all you need to know.
  • 🚀 Java Standard Libraries — Core Classes Every Java Developer Must Know

Core Java

Chapters

  • 1-Master Primitive Data Types the easy way!
  • 2-Master Non Primitive data types the easy way
  • 3-Understanding the Scanner Class the most easy way.
  • 4-Variable Scope in Java – Explained with Simple Examples & Common Confusions
  • 5-Escape Characters in Java – Complete Guide with Examples, Tricks & Common Confusions

Operators in Java

Chapters

  • 1-Arithmetic Operators in Java with Examples and Common Mistakes
  • 2-Relational Operators can be really tricky in Java!
  • 3-Common mistakes you make while using logical operators
  • 4-Understand Assignment Operator the easy way. All doubts cleared
  • 5-The Magic of Bitwise operators in Java. Know the secrets.
  • 6-Pre-Increment and Post-Increment in Java: Tricky Examples and Common Mistakes

Control statements in Java

Chapters

  • 1-The most easy way to understand if, if else and nested if statements.
  • 2-Understanding else if ladder in java the easy way
  • 3-switch statement in java (Examples and common errors)
  • 🔁 Loops explanation made easy. Do not miss it.
  • 5-Working with while and do while loop
  • 1-Arrays in Java for Beginners – Single, Multidimensional & Common Confusions
  • String Methods in Java
  • Leetcode Programs for practice
  • ArrayList in Java – Complete Guide for Beginners (With Confusions, Examples & Common Mistakes)

OOPs In Java

Chapters

  • 🚀 100 MCQs on Java Basics and Basic OOP (Exam Preparation)
  • 10-🔐 Access Modifiers in Java — Complete Guide (private, default, protected, public)
  • 9-🚀 Nested Classes and Inner Classes in Java
  • Java Practice MCQs – Missing Code (Constructors)
  • Java Practice MCQs – Missing Code Line (OOP Basics)

JVM Internals

Chapters

  • 1-JIT (Just In Time) Compilation in java is the most smartest Java approach. Find out.
  • 2-JVM Architecture made easy. Every student must know.

Inheritance

Chapters

  • 🚀 SQL Commands in Databases: DDL & DML with CRUD Operations (Complete Guide)
  • 🚀 Complete Guide: Connecting Java to MySQL using JDBC (Step-by-Step with PowerShell + CRUD Operations)
  • 🚀 JDBC in Java: Database Connectivity Model, Drivers, Statements & Communication (Complete Guide)
  • 📘 Java Practical File: 10 OOPs-Based Programs (Detailed Questions with Guidance) 🚀
  • 🚀 Swing Layout Managers in Java (Complete Guide with 5+ Programs)
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