Vladimir Zakharov explains how DataFrames serve as a vital tool for data-oriented programming in the Java ecosystem. By ...

A new generation of JVM technologies is reshaping how businesses build, deploy, and scale mission-critical Java applications.

One of the first indicators of a runtime performance problem is a high Java CPU usage report from a JVM profiler or Java monitoring tool. Unfortunately, high Java CPU utilization problems on Windows ...

Runtime errors occur when something goes wrong in the normal execution of a program. When severe enough, these errors abruptly terminate an application. To help programmers both anticipate and recover ...

Build your Java skills from the ground up by working on simple tasks and beginner-friendly projects. Challenge yourself with more complex Java problems, including those focused on multithreading and ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

End your tour of Java’s essential language features with Jeff’s introduction to Java 8’s method references, interface default and static methods, and three lesser known language updates that every ...