Rewrite the Rational class in Listing 13.13 using a new internal representation for the numerator and denominator. Create an array of two integers as follows:private long[] r =?new long[2];Use r[0] to represent the numerator and r[1] to represent the denominator. The signatures of the methods in the Rational class are not changed, so a client application that uses the previous Rational class can continue to use this new Rational class without being recompiled.

Listing

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1 public class Rectangle extends Geometricobject { 3 }