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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发条与库奇
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;
}