📄️ JavaScript vs Java: Arrays & Strings Method Comparison
Complete comparison of JavaScript and Java methods for Arrays and Strings with examples and equivalencies
📄️ Top Java Interview Questions & Answers
Most asked Java interview questions with practical code examples and solutions for 2025
📄️ Apache Maven for Spring Boot Development
Table of Contents
📄️ ArrayDeque in Java
ArrayDeque is a resizable array implementation of a double-ended queue (Deque) that allows insertion and removal at both ends in O(1) time (amortized).
📄️ Java Arrays and Strings
Table of Contents
📄️ JUnit Java Testing - Complete Developer Guide
Table of Contents
📄️ Java Date Time APIs - Complete Guide
Legacy Date Time APIs (Pre-Java 8)
📄️ Java Functional Interfaces
Quick Navigation
📄️ Java Language Basics - Execution, Memory & JVM
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📄️ Java Main Method & JVM Memory Model
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📄️ Java Optional Class
A comprehensive guide to Java Optional class methods, theory, and usage patterns for modern Java development.
📄️ Java Primitive Data Types - Complete Cheatsheet
A comprehensive guide to Java's primitive data types with practical code snippets and their operations.
📄️ Java Wrapper Classes - Complete Cheatsheet
A comprehensive guide to Java's wrapper classes with practical code snippets and their use cases.
📄️ Java Beginner's Guide
Table of Contents
📄️ Java Call by Value vs Call by Reference
Overview
📄️ Java Collections Cheatsheet
Table of Contents
📄️ Java DSA Cheat Sheet
Basic Syntax & Input/Output
📄️ Java Enums, Generics & Sorting
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📄️ Java Iterator
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📄️ Java Multithreading
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📄️ Java Object-Oriented Programming
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📄️ Java Stream API
Table of Contents
📄️ Java Stream API Cheatsheet
Table of Contents
📄️ Java Data Structures and Algorithms
Table of Contents
📄️ Java Wrapper Classes, Lambda, Regex & Annotations
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📄️ System Design Notes
Table of Contents
📄️ TreeMap & TreeSet - Guide
📋 Requirements Exploration
📄️ java.util.Objects Methods Guide
The java.util.Objects class provides utility methods for operating on objects. It was introduced in Java 7 and contains static methods for null-safe operations.