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Write a class definition of a class named 'value ' with the following: a) a boolean instance variable named 'modified', initialized to false b) an integer instance variable named 'val'c) a constructor accepting a single parameter whose value is assigned to the instance variable 'val'd) a method 'getval' that returns the current value of the instance variable 'val'e) a method 'setval' that accepts a single parameter , assigns its value to 'val', and sets the 'modified' instance variable to true , andf) a boolean method , 'wasmodified' that returns true if setval was ever called.

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