Answer :
0 things need to be moved. A new item is simply added to the end of the array when it is appended. Existing objects don't need to be moved.
What is an array?
A number of components are organized into an array data structure, sometimes referred to as an array, which is a form of data structure used in computer science. Each component is identified by a distinct array index or key.
A mathematical formula may identify the position of each element in an array given its index tuple. An array is a collection of elements with the same type that are kept in close proximity to one another in memory and may be individually referred to using an index to a unique identifier. Declaring an array of five int values eliminates the need to declare five different variables (each with its own identifier).
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