The Java array’s length property does not return the number of non-null elements in the array. The Java array length represents the array’s total potential size, not just the number of elements that ...

Another way to size Java arrays is to provide all of the array elements at the time of initialization: // Size the Java array with a set of known values int[] arraySizeExample = new {0,1,1,2,3,5,8}; ...

Use ForkJoinPool to break down computationally intensive tasks and execute them in parallel for better Java application performance.

Use Java assertions to test your assumptions about program correctness and check them in your code.

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

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.