optional else if
时间: 2023-08-28 19:18:26 浏览: 43
引用展示了一个优化前的代码片段,其中包含了多个if判断逻辑。而引用展示了使用Optional类对代码进行优化的示例。在这个示例中,利用Optional类的filter方法和orElseGet方法,将多层的if判断简化成了一行代码。具体来说,如果user不为空且user的name为"zhangsan",则直接返回user;否则,创建一个新的User对象,并返回该对象。这样可以避免了多个if判断的嵌套,提高了代码的可读性和简洁性。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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- *1* [利用Optional避免多次if else判断](https://blog.csdn.net/weixin_41987908/article/details/102663917)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *2* [Optional的详细实战用法,优雅的消除if..else..复杂逻辑运算函数封装....](https://blog.csdn.net/jiahuide03212/article/details/115479643)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *3* [利用JDK8提供的Optional简化if else](https://blog.csdn.net/WLQ0621/article/details/109512997)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
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