github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

in-depth, to-the-point tutorials on java, spring, spring boot, security, and rest.

a blog about the the mybatis data mapper framework.

devx is the leading provider of technology news and insights for developers, technologists, and innovators.

level up your java code and explore what spring can do for you.

a computer science portal for geeks. it contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview questions.

jetbrains is a cutting-edge software vendor specializing in the creation of intelligent development tools, including intellij idea – the leading java ide, and the kotlin programming language.