Unlike a list in say Python, however, Java arrays are of a fixed size. There is no way to remove elements or to add to the array at run time. This restriction is great for optimized code but of ...

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 ...

Using the new keyword like this permanently sets the Java array size. However, all elements are initially set to null, or to zero if it is an array of primitive types. Another way to size Java arrays ...