Best sites Full Java Tutorials

• https://www.javaguides.net/p/top-java-tutorials.html
• https://www.onlinetutorialspoint.com/java/core-java
• https://www.onlinetutorialspoint.com/java-8
• https://www.onlinetutorialspoint.com/spring-boot-tutorials
• https://www.onlinetutorialspoint.com/hibernate-tutorials
• https://www.onlinetutorialspoint.com/spring-tutorials
• https://javatechonline.com/java-design-patterns-java/
• https://javatechonline.com/spring-boot-tutorial/
• https://javatechonline.com/microservices-tutorial/
• https://java2blog.com/
• https://coderstea.in/post/java/monitor-your-java-memory-with-these-tools/

Basics

• https://www.javaguides.net/p/core-java-tutorial-for-experienced.html
• https://www.javaguides.net/p/java-tutorial-learn-java-programming.html
• https://www.javaguides.net/p/java-exception-handling-tutorial.html
• https://www.polarsparc.com/xhtml/JavaAnnotations.html
• https://www.baeldung.com/java-tutorial

IO

• https://www.javaguides.net/p/java-io-tutorial.html

Generics

• https://www.javaguides.net/p/java-generics-tutorial.html
• https://www.baeldung.com/java-generics
• https://www.baeldung.com/java-generics-interview-questions

Collections

• https://www.javaguides.net/p/java-collections-tutorial.html
• https://www.youtube.com/playlist?list=PLGRDMO4rOGcNpAJPtuuCOPXvI39Elxa-c
• https://www.baeldung.com/java-collections

Threading

• https://www.journaldev.com/1079/multithreading-in-java
• https://howtodoinjava.com/java-concurrency-tutorial/
• https://howtodoinjava.com/java/multi-threading/
• https://www.baeldung.com/java-concurrency
• https://www.javaguides.net/p/java-multithreading-utorial.html

XML Tutorial

• https://www.javaguides.net/p/java-xml-tutorial.html
• https://www.javaguides.net/2018/10/jaxb-tutorial.html
• https://mkyong.com/tutorials/java-xml-tutorials/
• https://mkyong.com/java/jaxb-hello-world-example/
• https://mkyong.com/spring3/spring-objectxml-mapping-example/
• https://www.netjstech.com/2018/11/spring-object-xml-mapping-support-jaxb-example.html

Java 7

• https://www.polarsparc.com/xhtml/Java7.html

Java 8 Tutorial

• https://www.javaguides.net/p/java-8.html
• https://howtodoinjava.com/java-8-tutorial/
• https://mkyong.com/tutorials/java-8-tutorials/
• https://www.baeldung.com/java-streams
• https://www.polarsparc.com/xhtml/Java8-LambdaExpressions.html
• https://www.polarsparc.com/xhtml/Java8-DefaultMethods.html
• https://www.polarsparc.com/xhtml/Java8-Optional.html
• https://www.polarsparc.com/xhtml/Java8-Streams.html
• https://github.com/mission-peace/EffectiveJava/blob/master/src/com/ej/lambda/StreamsExample.java
• https://www.polarsparc.com/xhtml/Java8-CompletableFuture-1.html
• https://www.polarsparc.com/xhtml/Java8-CompletableFuture-2.html
• https://www.polarsparc.com/xhtml/Java8-CompletableFuture-3.html
• https://www.polarsparc.com/xhtml/Java8-CompletableFuture-4.html

Junit 5

• https://www.javaguides.net/p/junit-5.html
• https://www.baeldung.com/junit
• https://reflectoring.io/clean-unit-tests-with-mockito/

Others

• https://reflectoring.io/create-analyze-heapdump/
• https://reflectoring.io/create-analyze-heapdump/
• https://reflectoring.io/spring-boot-test/
• https://reflectoring.io/dont-use-spring-profile-annotation/
• https://reflectoring.io/spring-bean-lifecycle/
• https://reflectoring.io/spring-boot-kafka/
• https://reflectoring.io/validate-spring-boot-configuration-parameters-at-startup/
• https://reflectoring.io/spring-boot-conditionals/
• https://reflectoring.io/constructor-injection/
• https://reflectoring.io/database-migration-spring-boot-flyway/
• https://reflectoring.io/spring-boot-execute-on-startup/
• https://reflectoring.io/spring-boot-configuration-properties/
• https://reflectoring.io/event-messaging-with-spring-boot-and-rabbitmq/
• https://www.baeldung.com/spring-factorybean

Spring Framework

• http://www.polarsparc.com/xhtml/SpringFrameworkEssentials-1.html
• http://www.polarsparc.com/xhtml/SpringFrameworkEssentials-2.html
• https://www.polarsparc.com/xhtml/SpringFrameworkEssentials-3.html
• https://www.polarsparc.com/xhtml/SpringFrameworkEssentials-4.html

Spring Boot

• https://howtodoinjava.com/spring-boot2/

• https://mkyong.com/tutorials/spring-boot-tutorials/

• https://www.javadevjournal.com/category/spring/

• https://www.javainuse.com/spring/boot_security_jdbc_authentication

• https://examples.javacodegeeks.com/category/enterprise-java/spring/

• https://www.sourcecodeexamples.net/search/label/Spring%20Boot

• https://www.baeldung.com/spring-dependency-injection

• https://www.baeldung.com/spring-5

• https://www.baeldung.com/spring-boot

• https://www.baeldung.com/persistence-with-spring-series/

• https://www.baeldung.com/spring-mvc

• https://www.baeldung.com/rest-with-spring-series/

• https://www.baeldung.com/spring-security-oauth

• https://www.baeldung.com/spring-cloud-series

• https://github.com/springframeworkguru/spring-boot-actuator

  Data JPA

  • https://www.javaguides.net/p/spring-data-jpa-tutorial.html
  • https://www.baeldung.com/spring-data-jpa-query
  • https://github.com/bhaskars-repo/SB-Data-JPA

  Swagger Addition

  • https://www.baeldung.com/swagger-2-documentation-for-spring-rest-api

  Dev Tools

  • https://docs.spring.io/spring-boot/docs/current/reference/html/using.html#using.devtools

  Async

  • https://howtodoinjava.com/spring-boot2/rest/enableasync-async-controller/

  Transaction Mgmt

  • https://dzone.com/articles/bountyspring-transactional-management
  • https://dzone.com/articles/spring-transaction-propagation
  • https://www.marcobehler.com/guides/spring-transaction-management-transactional-in-depth

  Spring AOP

  • https://www.javaguides.net/p/spring-aop-tutorial.html

  Spring Security

  • https://www.javaguides.net/p/spring-security-tutorial.html
  • https://mkyong.com/spring-security/spring-security-form-login-using-database/
  • https://www.javaguides.net/2019/09/user-account-registration-and-login.html
  • https://mkyong.com/spring-security/spring-security-form-login-using-database/
  • https://www.javainuse.com/spring/boot_security_jdbc_authentication
  • https://github.com/sermore/spring-glee-o-meter ( example )
  • https://www.toptal.com/spring/spring-boot-oauth2-jwt-rest-protection ( example )
  • https://www.toptal.com/spring/spring-security-tutorial

  Spring Boot and React

  • https://github.com/spring-guides/tut-react-and-spring-data-rest
  • https://spring.io/guides/tutorials/react-and-spring-data-rest/

  Spring Batch-in-Action

  • https://livebook.manning.com/book/spring-batch-in-action/chapter-1/
  • https://www.javadevjournal.com/spring-batch/spring-batch-basics/
  • https://howtodoinjava.com/spring-batch/

  Spring Integration

  • https://www.javacodegeeks.com/spring-integration-tutorials

  • https://www.polarsparc.com/xhtml/SpringIntegration-01.html

  • https://www.polarsparc.com/xhtml/SpringIntegration-02.html

  • https://www.polarsparc.com/xhtml/SpringIntegration-03.html

  • https://www.polarsparc.com/xhtml/SpringIntegration-04.html

  • https://www.polarsparc.com/xhtml/SpringIntegration-05.html

  • https://www.polarsparc.com/xhtml/SpringIntegration-06.html

  • https://www.polarsparc.com/xhtml/SpringIntegration-07.html

  • https://www.polarsparc.com/xhtml/SpringIntegration-08.html

  • https://docs.spring.io/spring-integration/reference/html/file.html

  • https://docs.spring.io/spring-integration/docs/current/reference/html/index.html

  • https://github.com/bhaskars-repo/SpringIntegration

  • https://github.com/spring-projects/spring-integration-samples

  • https://github.com/spring-projects/spring-integration-java-dsl/wiki/Spring-Integration-Java-DSL-Reference

  • https://www.baeldung.com/spring-integration

  • https://www.baeldung.com/spring-integration-java-dsl

  • https://www.tabnine.com/code/java/classes/org.springframework.integration.dsl.IntegrationFlowBuilder

  MicroService

  • Feign
    • https://www.javadevjournal.com/spring/feign/
    • https://cloud.spring.io/spring-cloud-netflix/multi/multi_spring-cloud-feign.html
    • https://cloud.spring.io/spring-cloud-netflix/1.4.x/multi/multi_spring-cloud-netflix.html
  • Cloud
    • https://www.javainuse.com/spring/springcloud
    • https://howtodoinjava.com/spring-cloud/
    • https://www.tutorialspoint.com/spring_cloud/spring_cloud_introduction.htm
    • https://www.appsdeveloperblog.com/microservices-and-spring-cloud-tutorials-for-beginners/
  • Microservices Projects
    • https://www.javaguides.net/2020/06/free-spring-boot-microservices-open-source-projects-github.html
    • https://www.sivalabs.in/categories/microservices/
    • https://github.com/SaiUpadhyayula
    • https://github.com/ExampleDriven Hibernate
  • https://www.javaguides.net/p/hibernate-tutorial.html
  • https://examples.javacodegeeks.com/enterprise-java/spring/boot/spring-boot-with-hibernate-example/

Design Patterns

• https://www.javacodegeeks.com/2015/09/java-design-patterns.html
• https://github.com/mission-peace/EffectiveJava/blob/master/src/com/ej/singleton/Connection.java
• https://www.sourcecodeexamples.net/p/core.html

Drools

• https://www.polarsparc.com/xhtml/Drools-1.html
• https://www.polarsparc.com/xhtml/Drools-2.html
• https://www.polarsparc.com/xhtml/Drools-3.html

Book on GitHub

• https://github.com/dfparker2002/books-2

• https://github.com/spring-guides

• https://github.com/RameshMF?tab=repositories ( JavaGuides )

• https://github.com/callicoder?tab=repositories

• https://www.callicoder.com/categories/java/

• https://github.com/simplyi?tab=repositories

• https://github.com/SimpleProgramming?tab=repositories ( good )

• https://www.sourcecodeexamples.net/search/label/Spring%20Boot

• https://github.com/sivaprasadreddy

• https://github.com/sivaprasadreddy?tab=repositories

• https://github.com/orgs/Java-Techie-jt/repositories

• https://github.com/orgs/dailycodebuffer/repositories

• https://github.com/shabbirdwd53

• https://github.com/dilipsundarraj1 ( Udemy Tutorials )

• https://github.com/neocorp ( Udemy Tutorials )

• https://github.com/kishanjavatrainer

• https://github.com/techefx?tab=repositories (microservice example)

• https://github.com/szantopeter?tab=repositories ( microservice )

• https://github.com/only2dhir?tab=repositories ( microservice )

• https://github.com/dtimchenko/custom-microservices-project

• https://github.com/Nasruddin ( spring and microservice )

• https://github.com/ExampleDriven ( spring cloud )

• https://github.com/saurabh-vaish/SpringBoot (Good)

• https://github.com/bhaskars-repo

• https://github.com/mkyong/core-java

• https://github.com/mkyong/spring-boot

• https://www.sourcecodeexamples.net/p/free-spring-boot-projects.html

• https://github.com/eugenp/tutorials

• https://github.com/thombergs/code-examples/tree/master/spring-boot

• https://github.com/krzyzol/spring-integration-presentation (Spring Integration)

• https://github.com/SimpleProgramming/spring-integration-example (Spring Integration)

Spring Boot In Action Example

• https://github.com/spring-projects/Spring-Integration-in-Action
• https://github.com/acogoluegnes/Spring-Batch-in-Action

Spring Projects Example

• https://github.com/orgs/spring-projects/repositories?q=example&type=&language=&sort=
• https://github.com/orgs/spring-projects/repositories?q=sample&type=&language=&sort=

• https://www.baeldung.com/java-8-interview-questions
• https://www.netjstech.com/2015/05/core-java-interview-questions.html
• https://www.netjstech.com/p/core-java-interview-questions.html
• https://www.javainuse.com/java/java8_intvw
• https://www.interviewbit.com/java-interview-questions/
• https://www.javatpoint.com/corejava-interview-questions
• https://www.javainterviewpoint.com/
• https://www.logicbig.com/tutorials/spring-framework/spring-core.html

• https://www.java-success.com/core-java-interview-questions/
• https://www.java-success.com/java-multithreading-interview-questions-and-answers/
• https://www.java-success.com/hashmap-and-how-it-works/
• https://www.java-success.com/why-favor-composition-over-inheritance-in-java-oop/
• https://www.java-success.com/spring-di-ioc-explained/
• https://www.java-success.com/13-spring-interview-questions-answers/
• https://ducmanhphan.github.io/tags/#Design%20Pattern

For Data Structure

• https://github.com/mission-peace/interview/wiki

• https://github.com/mission-peace/interview/tree/master/src/com/interview

  • javatpoint
  • journaldev
  • howtodoinjava

• https://www.polarsparc.com/xhtml/Ansible-1.html
• https://www.polarsparc.com/xhtml/Ansible-2.html
• https://www.polarsparc.com/xhtml/Ansible-3.html
• https://www.polarsparc.com/xhtml/Ansible-4.html

• https://www.polarsparc.com/xhtml/Kafka-1.html
• https://www.polarsparc.com/xhtml/Kafka-2.html

• https://www.polarsparc.com/xhtml/RabbitMQ-1.html
• https://www.polarsparc.com/xhtml/RabbitMQ-2.html
• https://www.polarsparc.com/xhtml/RabbitMQ-3.html

• https://www.polarsparc.com/xhtml/Kerberos.html

• https://www.polarsparc.com/xhtml/Python-1.html
• https://www.polarsparc.com/xhtml/Python-2.html
• https://www.polarsparc.com/xhtml/Python-3.html
• https://www.polarsparc.com/xhtml/Python-4.html
• https://www.polarsparc.com/xhtml/Python-5.html
• https://www.polarsparc.com/xhtml/Python-6.html

• https://www.polarsparc.com/xhtml/Cassandra-1.html ( 1- 10 )

• ProgrammingTech Misroservice Good Tutorial

• https://github.com/SaiUpadhyayula/spring-boot-microservices-new

• Daily code Buffer youtube

• Java Techie youtube

• KK Tutorial

• DefogTech

• JavaInUse

• JavaGuides

• Amigoscode

CodeDecode

• OAuth
• TransactionMgmt

Daily Code Buffer

• Spring Boot
• Spring Data JPA
• Microservices using SpringBoot
• Spring Boot Logging
• [Spring Security ] (https://www.youtube.com/watch?v=tWcqSIQr6Ks)
• GitHub
  • https://github.com/dailycodebuffer/Spring-MVC-Tutorials
  • https://github.com/shabbirdwd53

Java Techie

• How spring Boot works internally 1

• How spring Boot works internally 2

• How does Spring Security Authentication work internally 1

• How does Spring Security Authentication work internally 2

• How to setup JDBC authentication with Spring Security from scratch

• How to write a custom login page in Spring Security and Spring Boot

  GitHub

  • https://github.com/orgs/Java-Techie-jt/repositories

Others Youtube videos

• Spring Integration concepts: https://www.youtube.com/playlist?list=PL5oijvb2zs0cauQ0KId8E3ZtHFDPl7555
• Spring Integration 2 : https://www.youtube.com/watch?v=lmKxNUHdxlU&t=3392s
• Spring Integration with annotations : https://www.youtube.com/playlist?list=PLO0KWyajXMh6HbVTnf7YqwbEeZU6kuKJa

• https://docs.spring.io/spring-framework/docs/current/reference/html/

• https://docs.spring.io/spring-framework/docs/current/reference/html/core.html

• https://docs.spring.io/spring-framework/docs/current/reference/html/integration.html#spring-integration

• https://docs.spring.io/spring-framework/docs/4.2.x/spring-framework-reference/html/index.html

• https://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/html/index.html

• https://docs.spring.io/spring-boot/docs/2.6.0-SNAPSHOT/reference/htmlsingle/#features.json

• https://docs.spring.io/spring-framework/docs/current-SNAPSHOT/reference/html/

https://github.com/dailycodebuffer/AWS-Material

• To draw digrams : https://app.diagrams.net/
• To get handy data : https://www.mockaroo.com/
• To convert json to pojo : https://www.jsonschema2pojo.org/
• JSON Place Holder to get JSON data : https://jsonplaceholder.typicode.com/
• Read Me Creation Online : https://dillinger.io/ , https://readme.so/editor
• ReadMe Chat Sheet : https://guides.github.com/pdfs/markdown-cheatsheet-online.pdf
• JavaInUse Online Tools: https://www.javainuse.com/tools
• To open the MD file on Chrome using extension : Markdown Viewer