e 2 "cl-e2evaluates to true Figure 6.1 Comparing primitive and .1s method, as defined in the Object class acts in much the sam The equa tor. It returns true if and only if the two variables reference the mvent this problem we can, within a class, redefine the equal sami way to fit t method t we have a Cirele class that features a radfue attribute of tpe reasonable cle class: a radius attribute of ype iot. A able definition for equality of Circle objects is that they are equal if thes have To implement this approach, we include the following method in the public boolean equals(Circle circle) /1 Precondition: circle - null // Returns true if the circl // otherwise, returns false. es have the same radius: if (this.radiuscircle.radius) return true: else return false: etatement such as e 2 "cl-e2evaluates to true Figure 6.1 Comparing primitive and .1s method, as defined in the Object class acts in much the sam The equa tor. It returns true if and only if the two variables reference the mvent this problem we can, within a class, redefine the equal sami way to fit t method t we have a Cirele class that features a radfue attribute of tpe reasonable cle class: a radius attribute of ype iot. A able definition for equality of Circle objects is that they are equal if thes have To implement this approach, we include the following method in the public boolean equals(Circle circle) /1 Precondition: circle - null // Returns true if the circl // otherwise, returns false. es have the same radius: if (this.radiuscircle.radius) return true: else return false: etatement such as