java array length vs size

While the 'length' property is straightforward, it's important to remember that it returns the total size of the array, not the number of occupied elements._{26 oct. 2023}

Is length and size the same?

Size in general is the magnitude or dimensions of a thing.
More specifically, geometrical size (or spatial size) can refer to three geometrical measures: length, area, or volume.
Length can be generalized to other linear dimensions (width, height, diameter, perimeter).

Does size () work on arrays?

size() function of array class in C++ is used to determine the list/container size.
Array size() C++ function works only with the arrays defined using the std::array declaration syntax.

The length of a Java array is the number of elements in the array. Java arrays don't have a size associated with them, although the terms are related. Length applies to a Java array, and size applies to a Java ArrayList collection object.

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