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 ...

Here is a simple example of how to find the length of a Java array in Java and then print the array’s size to the console: int[] myArray = {1,2,3,4,5}; int arraySize = myArray.length; ...

Java arrays - a brief tutorial ... Instead of resizing the original array (which is not possible), we create a new array with the new size and copy the old values into it.