Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...

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 Now it's being superseded by newer, safer options.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 ...

Since Spring 6.1.9 (and I believe since #33009), it's not possible to declare a @Scheduled method directly in a test class because the following exception is thrown when the test is run: ...

Fatal Exception: java.util.ConcurrentModificationException: at java.util.ArrayList$Itr.next(ArrayList.java:860) at com.onesignal.common.modeling.ModelStore.persist ...

Along with lambdas, Java SE 8 brought method references to the Java language. This tutorial offers a brief overview of method references in Java, then gets you started using them with Java code ...

While it seems so basic that it wouldn't require a mention, there's a basic and often violated software design principle pertaining to Java method modifiers that is in need of explanation. A public ...

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