Since the introduction of the Java Collections Framework with JDK 1.2 , I have used Java arrays significantly less frequently than I used to. However, I still use arrays occasionally, often ...

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.

A utility which implements well known, firstIndexOf allIndexsOf lastIndexOf nthIndexOf functionality for an object array.

The Java array length property does not have round brackets after the field. The Java String length () method does. Confusion here will cause compile time errors, so be careful.

In Java an array is a way of storing multiple items of the same type. In this quick tutorial we introduce you to the very basics.