Technology is a powerful force in our society. Data, software,and communication can be used for bad: to entrench unfair power structures, to undermine human rights, and to protect vested interests. But they can also be used for good: to make underrepresented people's voice heard, to create opportunities for everyone, and to avert disasters. We are dedicated to working toward the good.
摘要:
在实际应用中经常会比较两个对象是否相等,比如下面的Address类,它有两个属性:String province 和 String city。 在现实生活中我们认为若两个 Address 的 province 和 city 属性相同,则它们应该是同一个地址(省市都一样,当然就是同一个地区啦)。但下面 阅读全文