Both Arrays.toString(Object[]) and Arrays.deepToString(Object[]) handle null array gracefully, simply returning a String “null”. I tend to use Java Collections far more than I use Java arrays.

Get started with one-dimensional arrays and array variables, then try out five algorithms for searching and sorting arrays in your Java programs ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.

Java arrays contain a length property that returns the array’s capacity. The Java array’s length property does not return the number of non-null elements in the array.