Array size function
The size integer array function is as follows:
size ()
Returns the number of entries in the array as an integer.
Parameters:
This function has no parameters.
Returns:
The number of elements in the array.
Example:
array.add("zero")
array.add("two")
array.add("three")
count = array.size()
// count is 3
array.add("two")
array.add("three")
count = array.size()
// count is 3
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