Runtime.getRuntime ().gc (); 3. Use jmap to force GC The Java Memory Map (JMAP) utility has a method that prints a histogram of the Java heap. One side effect of the jmap command is that when it's ...

The Java Platform provides the most commonly used data structures in the form of the Collections Framework, and it provides a rich API to operate on them. This article explains the concepts behind ...

An example is using String::trim on multiple streams or collections. Enhancing readability: In cases where the method name clearly describes the action being performed, method references can make ...

The Collections class’s methods for obtaining empty collections are preferable to use of Collections ‘s similarly named fields for that same purpose because of the type safety the methods provide.