Latest release of the JVM language also features hundreds of new and improved extension methods including 10x faster arrays.

Previously working groupArray functions now display arrays with the error: "Can't resolve array data type Array (String)". Any arryas in datasets have same issue ...

Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you need to know about updates for virtual threads, pattern matching, and ...

The release introduces the Jakarta Data specification, updates testing frameworks, and aligns with Java 21, the latest long-term support version of Java. The platform now supports Java 17 or higher ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way for a Java developer to learn Java Database Connectivity (JDBC) is to experiment ...

A look at some of the best database and RDBMS tools for Java software developers. Learn more about Java and database programming.

We cover some of the most popular big data tools for Java developers. Discover the best big data tools and what to look for. In the modern era of data-driven decision-making, the abundance of data ...

When I upgrade spring-data-mongodb from 3.1.8 to 3.3.5, I encountered below exception: org.springframework.data.mapping.MappingException: Cannot convert [a, b, c] of type class java.util.ArrayList ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...