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hashcode的作用-12212886-51CTO博客
source link: http://blog.51cto.com/12222886/2067936
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真感觉这篇文章没必要记录，还是写下吧。。。 首先hashCode()方法被设计在Object类中，说明是希望所有对象都能实现该方法，该方法是会返回一个对应于当前对象的整数，理论上是需要不同对象的hashCode不相同。之所以所有对象都实现该方法是为了将来对象在查找时变得快捷。 &nb
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