Array Class (Java 17) length - returns the size of an array in terms of its total capacity to hold elements Code example to find the Java array size. Here is a simple example of how to find the length ...

Here are the most important concepts developers must know when they size Java arrays and deal with a Java array’s length: The theoretical maximum Java array size is 2,147,483,647 elements. To find the ...

If you need to use arrays in Java that can be resized, then you might opt for the ArrayList. An ArrayList is not as fast, but it will give you more flexibility at runtime.