# HowToDoInJava: Java, Spring and Hibernate Tutorials

> Simple and easy\-to\-follow free tutorials on Core Java, Spring, Spring Boot, Maven, JPA, Hibernate, JUnit, Python and other popular libraries\.

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## Pages
- [Design Patterns](https://howtodoinjava.com/gang-of-four-java-design-patterns/)
- [Privacy Policy](https://howtodoinjava.com/privacy-policy/)
- [Java Tutorials](https://howtodoinjava.com/)
- [Java 8 Tutorial](https://howtodoinjava.com/java-8-tutorial/)
- [JUnit 5 Tutorial \(with Examples\)](https://howtodoinjava.com/junit-5-tutorial/)

## Posts
- [@Autowired Annotation in Spring Boot](https://howtodoinjava.com/spring-boot/autowired-annotation-guide/): Spring Boot @Autowired connects the classes together without tight coupling, making application modular, testable, and easy to maintain\.
- [Stellar Repair for MySQL Review: Fix MySQL "Table Is Marked as Crashed and Should Be Repaired" \(\#1194\) Error](https://howtodoinjava.com/sql/mysql-table-marked-crashed-and-should-be-repaired/): Learn to fix MySQL error \#1194 \(“Table is marked as crashed”\) with Stellar Repair for MySQL\. Read this detailed guide for step\-by\-step repair process\. Discover how to quickly restore corrupted MySQL tables with minimal data loss\.
- [Spring AI Custom CallAdvisor \& StreamAdvisor Example](https://howtodoinjava.com/spring-ai/spring-ai-calladvisor-streamadvisor-example/): Spring AI CallAdvisor and StreamAdvisor provide hooks to wrap around LLM invocations, both for synchronous and streaming scenarios\.
- [JUnit @AutoClose Annotation with Examples](https://howtodoinjava.com/junit/junit-autoclose-examples/): JUnit @AutoClose automatically close resources that implement AutoCloseable after each test, without requiring explicit cleanup code\. If any exception occurs during closing the resource, the exception is suppressed\.
- [Setting Up JUnit with Spring Boot Test](https://howtodoinjava.com/junit/junit-version-with-spring-boot/): Whether you are building REST APIs, service\-layer logic, or data\-access layers, Spring Boot offers first\-class support for JUnit and provides convenient annotations and utilities for writing clean, maintainable tests\.

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