Learn how to use the PatternLayout feature to mask sensitive data in application logs with Logback
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JPA Support – State of the Tools Ecosystem in 2021
Filed under JPA
An overview of the JPA plugins available for IntelliJ and Eclipse
Non-Capturing Regex Groups in Java
Filed under Java String
Explore how to use non-capturing groups in Java Regular Expressions
Java Weekly, Issue 389
Filed under Weekly Review
JFR mirror events, testing RSocket, deep dive in SQL execution plans, eBPF at Netflix, and space exploration with AWS!
Local JAR Files as Gradle Dependencies
Filed under Gradle
Learn how we can add local JAR files to our Gradle dependencies.
Inserting Null Into an Integer Column Using JDBC
Filed under Persistence
Learn how to store null values in a database using plain JDBC.
Understanding the Pattern.quote Method
Filed under Core Java
When using regular expressions in Java, sometimes we need to match regex patterns in their literal form – without processing any metacharacters. Let’s find out how we can do that.
Spring Validation in the Service Layer
Filed under Spring Boot
A quick and practical introduction to service layer validation in Spring.
Log4j Warning: “No Appenders Could Be Found for Logger”
Filed under Logging
Learn why the Log4j warning, “No appenders could be found for logger” occurs and how to resolve it, both in configuration and in Java code.