@Override
public boolean equals(Object obj) {
if (obj instanceof Person) {
Person p=(Person) obj;
if(this.firstName==p.firstName&&this.lastName==p.lastName&&this.age==p.age) {
return true;
}
}return false;
firstName和lastName两个引用类型不能用==判断
okk，用Objects.equals();
Sign in to make a reply
乞与追逐
@Override
public boolean equals(Object obj) {
if (obj instanceof Person) {
Person p=(Person) obj;
if(this.firstName==p.firstName&&this.lastName==p.lastName&&this.age==p.age) {
return true;
}
}return false;
}
}