As noted in the comments, Java arrays employ C-like zero-based indexes and so using an index of 0 obtains the first element. /** * Extract the first element from the provided List of Strings.

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 ...

These elements must be identified by at least one “index” or “key.” There are multiple data objects in Java that we could describe as arrays, therefore. We refer to the first as the ...

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 ...

You can define initial values for the elements of a static array by listing the initial values in parentheses following the list of element names in the DECLARE or ARRAY statements. Commas are ...