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java 新特性简化代码Optional方法详细讲解【干货】

Optional1、实体类/** * 对象 * User(id=null, name=null, age=null, address=null) * Address(x=null, y=null, location=null) */2、ifPresent/** * 如果user不为空则获取Addre...

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就在前段时间，Oracle 官方宣布 Java 11 (18.9 LTS) 正式发布，可在生产环境中使用! 这无疑对我们来说是一大好的消息。作为一名java开发者来说，虽然又要去学习和了解java11，但内心还是欣慰的。我想至少你和我一样的心情：Java在手，天下我有！今天我们来看一下Java 1...

9月27日云栖精选夜读 | Java 11 正式发布，这 8 个逆天新特性教你写出更牛逼的代码

美国时间 09 月 25 日，Oralce 正式发布了 Java 11，这是据 Java 8 以后支持的首个长期版本。为什么说是长期版本，看下面的官方发布的支持路线图表。可以看出 Java 8 扩展支持到 2025 年，而 Java 11 扩展支持到 2026 年。热点热议 Java 11 正...

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