2 回答

TA貢獻1884條經驗 獲得超4個贊
.....
private Set<Person> personSet = new HashSet<>();
public void addBid(String ItemName, String nameOfBidder, long price){
Person person = new Person(nameOfBidder);
personSet.add(person);
// do whatever you want inside this method
// in the whole class you can access the personSet as you want.
}
.....

TA貢獻1810條經驗 獲得超5個贊
public void addBid(String ItemName, String nameOfBidder, long price){
Person person= new Person(nameOfBidder);
}
雖然您可能想從方法中返回那個人,以便您可以用它做一些事情:
public Person addBid(String ItemName, String nameOfBidder, long price){
return new Person(nameOfBidder);
}
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