I'd like to leverage js arrays whenever possible. For example, if a method takes in an array of points, I'd like to be able to pass a js array for this purpose: ...

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

Along with a ton of other things, of course. Java introduced the concept of "single abstract method" types to do function pointer-like things. Lambdas can be used as SAM types instances.

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We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.

The java.util.Arrays class contains various static methods for sorting and searching arrays, comparing arrays, and filling array elements. These methods are overloaded for all primitive types.