Question: Use the Scanner class for obtaining input from the user keyboard. The program must calculate the difference (improvement) between the existing and future Computer


Use the Scanner class for obtaining input from the user keyboard. The program must calculate the difference (improvement) between the existing and future Computer class variables of intege data type. For example, Computer class may contain an integer variable named memory. The value of the memory variable for the existing Computer instance may be 8, while the value for this variable in the future Computer instance may be 10. Calculating the difference would indicate an improvement of 2.
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