Java Training Tutorials & Resource Hub
Welcome to the ultimate learning hub by JavaTutorOnline. Curated by a Senior Software Engineer, our comprehensive guides empower students and professionals with everything from Core Java fundamentals and enterprise Spring Boot to AP Computer Science A exam mastery.
Core Java & Fundamentals
Build rock-solid programming foundations with expert-led tutorials covering object-oriented concepts, multithreading, crash courses, and essential interview prep.
- Learn Java in One Day: 10-Hour 1-on-1 Crash Course
- Constructor in Java and Overloaded Constructor Examples
- Core Java Interview Questions and Answers
- Recursion in Java Example Program & Concepts
- How to Create and Manage Threads in Java
- Why Multiple Inheritance in Java is Not Supported
- Java Exception Handling Tutorial & Best Practices
- EJB1 vs EJB2 vs EJB3 Architecture Comparison
- Ant Java Build Tool Online Training Tutorial
AP Computer Science A (AP CSA) Prep
Comprehensive exam prep, FRQ step-by-step solutions, and targeted MCQ practice units designed to secure a top score on the AP exam.
- AP Computer Science A – Online Tutor & FRQ Practice Hub
- AP Computer Science A Summer Prep Program
- AP CSA FRQ Practice – Free Response Questions by Topic
- Arrays FRQ Practice – Exam-Style Array Problems with Solutions
- ArrayList FRQ Practice – Add, Remove, Filter, Search Problems
- Strings FRQ Practice – Substring, Pattern, and Character Processing
- 2D Arrays FRQ Practice – Grid Traversal and Row/Column Processing
- AP Computer Science A MCQ Practice Hub (All Units)
- Booleans & Truth Tables MCQ Practice
- Iteration & Loops MCQ Practice
- Unit 6 Arrays MCQ Practice
Spring & Spring Boot
Accelerate enterprise software development with practical guides on building RESTful web services, microservices, and core Spring architecture.
- Spring Boot REST API Example & Implementation Guide
- Top Spring MVC Interview Questions and Answers for Developers
- Top Spring Core Interview Questions and Answers for Developers
- Spring MVC Hello World Example & Tutorial
Servlets, JSP & JDBC
Master backend web fundamentals using Java Servlets, JavaServer Pages (JSP), and database connectivity with MySQL and Tomcat.
- Simple JSP Servlet JDBC User Registration Example using Tomcat, MySQL & Eclipse
- Basic Servlet Tomcat Tutorial for Beginners
Apache Struts Framework
Deep dive into enterprise legacy web framework architecture, action mapping, OGNL expression language, and exception handling.
- Dependency Injection in Struts
- OGNL Expression Language in Struts 2 Tutorial
- Struts 1 vs Struts 2 Architectural Differences
- Declarative Exception Handling in Struts
- How Struts 2 Works Under the Hood
Deployment & DevOps
Take your Java web applications live by learning professional cloud deployment on AWS and lightweight local staging environments.
- How to Deploy a Java Web Application on AWS EC2
- Host Java Web Applications for Free on Mobile via Tomcat and Termux
Learning Guides & Mentorship
Valuable advice on mastering computer science education and effective programming study paths.