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Welcome to the official Techoral repository - your comprehensive resource for professional software development learning!

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Java Development

Java Core Concepts

• Java Collections Framework Guide
• Java Multithreading Deep Dive
• Higher Order Functions in Java
• Java Collections - Part 1
• Java Collections - Part 2
• Java Keywords: Reserved vs Contextual
• PostgreSQL JDBC Integration

JVM & Performance

• JVM Memory Management Guide
• Java Threading Puzzles
• Common JVM OutOfMemory Errors

OpenJDK Resources

• OpenJDK vs Oracle JDK
• OpenJDK Installation Guide
• OpenJDK Docker Images
• Zulu OpenJDK Guide

Java Version Features

• OpenJDK 7 Features
• OpenJDK 8 Features
• OpenJDK 9 Features
• OpenJDK 10-12 Features

Java Interviews

• Common Java Interview Questions
• Tips for Java Interviews
• Java Coding Challenges
• Advanced Java Topics
• Design Patterns in Java
• Multithreading and Concurrency
• Spring Framework Interview Questions
• Java Collections Framework
• Exception Handling in Java
• Java Streams and Lambda Expressions
• Object-Oriented Programming Concepts
• Java 8 Features
• Java 11 Features
• Garbage Collection in Java
• Java Annotations
• Reflection in Java
• Java Database Connectivity (JDBC)
• Serialization and Deserialization

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Spring Framework

Spring Boot Guides

• Spring Boot OAuth Implementation
• Spring Boot Common Issues
• Spring Boot Web Server Troubleshooting

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Test Automation

Cypress

• Cypress Tutorial for Beginners
• Cypress with AWS Integration
• Cypress Test Parallelization
• Cypress Environment Setup

Selenium

• Selenium WebDriver API Guide
• Selenium Page Object Model
• Selenium TestNG Integration
• Cross Browser Testing

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DevOps & Cloud

AWS & Cloud

• AWS CLI Configuration Guide
• AWS Common Issues & Solutions

ELK Stack

• ELK Stack Integration
• Elasticsearch Troubleshooting
• Kibana Setup & Issues

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Development Tools

IDE Guides

• Eclipse IDE Shortcuts Guide
• IntelliJ IDEA Installation

JBoss/WildFly

• JBoss AS vs WildFly
• WildFly Configuration Guide
• JBoss DataSource Setup

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Apache APISIX

APISIX Installation & Setup

• APISIX Installation Guide
• APISIX Docker Setup
• APISIX with Kubernetes

APISIX Core Concepts

• Understanding APISIX Routes
• APISIX Upstream Management
• APISIX Service Discovery
• APISIX Load Balancing

APISIX Security

• Authentication in APISIX
• JWT Authentication Setup
• Key Authentication
• OAuth2 with APISIX

APISIX Plugins

• APISIX Plugin Development Guide
• Rate Limiting Plugin
• Proxy Rewrite Plugin
• CORS Plugin Configuration

APISIX Monitoring

• APISIX Prometheus Integration
• Logging and Monitoring
• Error Tracking

APISIX Troubleshooting

• Common APISIX Issues
• Configuration Debugging
• Performance Optimization

APISIX Best Practices

• APISIX Production Deployment
• High Availability Setup
• API Gateway Patterns

APISIX Integrations

• APISIX with Spring Boot
• APISIX with Grafana
• APISIX with Keycloak

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📚 Training Courses

• Learn DevOps in 10 Days
• Full Stack Web Development
• AWS Cloud Training
• Big Data Development

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We welcome contributions! Please see our Contributing Guidelines for details.

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• Privacy Policy
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• Licensed under MIT

Article Links

General Links

• Techoral Home
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Training

• Learn DevOps in 10 Days
• Full Stack Web Development in 10 Days
• Learn AWS in 10 Days
• Learn Big Data in 10 Days

Java

• Java
• OpenJDK Developer's Guide
• Java Collections
• Java Multithreading
• Java Streams
• Java Annotations
• Java JDBC
• Java Error Code 1603
• Java Installation Error Code 80
• Java Update on Mac
• Java Won't Install on Windows 10
• Java Interview Questions
• Java Interview Tips
• Java Interview Multithreading
• Java Interview Spring
• Java Interview Streams
• Java Interview OOP
• Java Interview Java 8 Features
• Java Interview Java 11 Features
• Java Interview Reflection
• Java Interview Serialization
• Java Interview Design Patterns
• Java Interview Coding
• Java Interview Advanced
• Java Interview Collections
• Java Interview Garbage Collection

Spring

• Spring Boot
• Spring Boot REST
• Spring Boot JDBC
• Spring Boot OAuth
• Unable to Start Web Server
• JDBC Connection Exception

Tools

• Test Automation
• Eclipse Installation Error Code 13
• IntelliJ IDEA Installation
• Android Studio Installation
• Git Installation
• VSCode Installation
• Postman Installation
• NetBeans Installation
• PyCharm Installation
• STS Installation
• Cursor Installation

Additional Resources

• Java Decompiler Procyon
• Java Collections Part 1
• Java Collections Part 2
• Java Interview Home
• Java Interview Exception Handling
• Java Interview Coding
• Java Interview Advanced
• Java Interview Garbage Collection
• Java Interview Design Patterns
• Java Interview Serialization
• Java Interview Java 8 Features
• Java Interview Java 11 Features
• Java Interview Reflection
• Java Interview Collections
• Java Interview Multithreading
• Java Interview Spring
• Java Interview Streams
• Java Interview OOP

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