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Certifications like OCPJP 8 and SE 17 validate advanced Java development skills. Cloud and DevOps skills are increasingly essential for Java professionals. Non-formal courses, such as the Udemy Java ...

If you upgrade to Spring Boot 2.4 and see test compilation errors for JUnit classes such as org.junit.Test, this may be because JUnit 5’s vintage engine has been removed from spring-boot-starter-test.

Reflection was essential to the advanced Java toolkit for years. Now it's being superseded by newer, safer options. Here's how to use MethodHandle and VarHandle to gain programmatic access to methods ...

For Spring Pulsar client to work you need to add spring-pulsar library as a dependency in your project. So go ahead and add below dependency in your application. To create pulsar client you need to ...

Choosing a Java framework is not about which one is best, it's about accepting their tradeoffs of stability, flexibility and complexity. Here's how to evaluate each vs. your needs. Continue Reading ...

Setting up authentication and access control in Spring Security is painstaking, but you can draw on very powerful capabilities. Here’s how to get started. Securing web applications is an inherently ...