Revision and Practice

🚀 50 Important Questions & Answers on Java Basics and Basic OOP (Without Inheritance)

A strong foundation in Java fundamentals is essential before moving into advanced topics like inheritance, polymorphism, and multithreading ☕ This article contains 50 carefully structured questions and answers divided into two major sections: 🟢 Section 1:…

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

Protected: 🚀 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.

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