什么问题/陷阱,必须重写时,必须考虑equals和hashCode?
equals
hashCode
java overriding equals hashcode
我想澄清一下我是否理解正确:
==
.equals()
我的理解是正确的吗?
java identity equality object-comparison
java ×2
equality ×1
equals ×1
hashcode ×1
identity ×1
object-comparison ×1
overriding ×1