Ajay Dabade | Python & Java Learning Notes - Clear and practical Java & Python programming for engineering students.

10-Writing your First Hello World Program in Java? Here is all you need to know.

👋 Writing Your First Hello World Program in Java 📌 Introduction The Hello World program is traditionally the first program written in any programming language. It helps beginners understand the basic structure of a program, how…

Java Basics

9-How to use comments the right way.

💬 Comments in Java: Single-Line, Multi-Line and Documentation Comments 📌 Introduction Comments in Java are non-executable statements used to explain code. They are ignored by the Java compiler and do not affect program execution. Comments play…

Operators

6-Pre-Increment and Post-Increment in Java: Tricky Examples and Common Mistakes

📌 Introduction Increment and decrement operators are unary operators in Java that increase or decrease the value of a variable by 1. While these operators appear simple, they are a major source of confusion for beginners…

Operators

5-The Magic of Bitwise operators in Java. Know the secrets.

🧠 What Are Bitwise Operators? 📌 Definition Bitwise operators perform operations bit by bit on integer data types (byte, short, int, long). Java internally represents integers in binary format, and bitwise operators directly manipulate those binary…

Java Basics

8-Difference between a Variable and Literal. Clear your confusion.

📘 What Are Variables and Literals in Java 📌 Introduction Before writing meaningful Java programs, it is essential to understand how data is stored and represented in a program. Two fundamental concepts that make this possible…

Operators

4-Understand Assignment Operator the easy way. All doubts cleared

📝 Assignment Operators in Java 📌 Introduction Assignment operators in Java are used to assign values to variables. While the basic assignment operator (=) appears simple, Java also provides compound assignment operators that combine arithmetic operations…

Operators

3-Common mistakes you make while using logical operators

🧠 Logical Operators in Java 📌 Introduction Logical operators in Java are used to combine multiple conditions and produce a single boolean result (true or false). They are extensively used in: if and else statements loops…

Operators

2-Relational Operators can be really tricky in Java!

🔍 Relational Operators in Java 📌 Introduction Relational operators are used to compare two values and determine the relationship between them. Unlike arithmetic operators, which return numeric results, relational operators always return a boolean value —…

Operators

1-Arithmetic Operators in Java with Examples and Common Mistakes

➗ Arithmetic Operators in Java 📌 Introduction Operators are symbols that perform operations on variables and values. Among them, Arithmetic Operators are the most fundamental and are used to perform basic mathematical calculations. Before learning conditions,…

Data Types in Java

2-Master Non Primitive data types the easy way

📌 Introduction In the previous article, we discussed Primitive Data Types in Java, which store simple values directly. However, real-world applications require handling complex data, multiple values, text, and user-defined entities. To handle such requirements, Java…

10-Writing your First Hello World Program in Java? Here is all you need to know.

9-How to use comments the right way.

6-Pre-Increment and Post-Increment in Java: Tricky Examples and Common Mistakes

5-The Magic of Bitwise operators in Java. Know the secrets.

8-Difference between a Variable and Literal. Clear your confusion.

4-Understand Assignment Operator the easy way. All doubts cleared

3-Common mistakes you make while using logical operators

2-Relational Operators can be really tricky in Java!

1-Arithmetic Operators in Java with Examples and Common Mistakes

2-Master Non Primitive data types the easy way

🚀 Type Casting in Java – Complete Detailed Guide

🚀 StringBuilder in Java — Complete Detailed Guide

🚀 Wrapper Classes in Java — Complete Detailed Guide

Protected: 🚀 100 MCQs on Java Basics and Basic OOP (Exam Preparation)