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花开四季

#1 Created at ... [Delete] [Delete and Lock User]

public boolean equals(Object o){

         if(o instanceof Person){

               Person p = (Person) o;

               return Objects.equals(this.firstName,p.firstName)

                      &&Objects.equals(this.lastName ,p.lastName)

                      && this.age==p.age;

         }

         return false;

    }


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