Create a class named Phone.

$-$ It should have a double price, String operatingSystem, String name, and an int

describing the number of pixels.

$-$ When you create a value of type Phone, all values must be specified by the code

creating the value.

$-$ There should be a way to separately retrieve all variables.

$-$ There should be a way to change price value only.

$-$ Users$/$programmers should not be allowed to create a value of type Phone by

itself