jdk stream数据流的相关内容

文章 2022-09-06 来自：开发者社区

JDK 8 Stream 数据流效率怎么样？

stream 的操作种类①中间操作②终端操作stream 的特点①只能遍历一次：②采用内部迭代的方式：stream 相对于 Collection 的优点stream 和 iterator 迭代的效率比较1. 映射处理测试2. 过滤处理测试3. 自然排序测试4. 归约统计测试5. 字符串拼接测试6. 混合操作测试Stream 是Java SE 8类库中新增的关键抽象，它被定义于 java.util....

文章 2021-12-17 来自：开发者社区

JDK 8 Stream 数据流效率怎么样？

Stream 是Java SE 8类库中新增的关键抽象，它被定义于 java.util.stream （这个包里有若干流类型：Stream 代表对象引用流，此外还有一系列特化流，如 IntStream，LongStream，DoubleStream等。Java 8 引入的的Stream主要用于取代部分Collection的操作，每个流代表一个值序列，流提供一系列常用的聚集操作，可以便捷的在它上面....

共有2条

< 1 >

跳转至： GO

更新时间 2024-03-03 15:00:21

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

jdk stream相关内容

jdk您可能感兴趣

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"title":"Dragonwell","des":"Alibaba Dragonwell 是一款免费的, 生产就绪型Open JDK 发行版，提供长期支持，包括性能增强和安全修复。完全兼容 Java SE 标准，您可以在任何常用操作系统（包括 Linux、Windows 和 macOS）上开发 Java 应用程序。","contentLink":"https://www.aliyun.com/product/dragonwell","btn1":"立即下载","link1":"https://github.com/alibaba/dragonwell8/releases","btn2":"了解更多","link2":"https://github.com/alibaba/dragonwell8","infoGroup":[{"infoName":"开发者必备","infoContent":{"firstContentName":"必备 IDE 插件","lastContentName":"应用托管平台","firstContentLink":"https://www.aliyun.com/product/cloudtoolkit?spm=5176.cndragonwell.0.0.70a87568BIAK52","lastContentLink":"https://www.aliyun.com/product/webx?spm=5176.cndragonwell.0.0.70a87568BIAK52"}}],"btn3":"","ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/imgextra/i4/O1CN011TDP5K2AAhpi20bLr_!!6000000008163-2-tps-64-64.png"}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"title":"Dragonwell","des":"Alibaba Dragonwell 是一款免费的, 生产就绪型Open JDK 发行版，提供长期支持，包括性能增强和安全修复。完全兼容 Java SE 标准，您可以在任何常用操作系统（包括 Linux、Windows 和 macOS）上开发 Java 应用程序。","contentLink":"https://www.aliyun.com/product/dragonwell","btn1":"立即下载","link1":"https://github.com/alibaba/dragonwell8/releases","btn2":"了解更多","link2":"https://github.com/alibaba/dragonwell8","infoGroup":[{"infoName":"开发者必备","infoContent":{"firstContentName":"必备 IDE 插件","lastContentName":"应用托管平台","firstContentLink":"https://www.aliyun.com/product/cloudtoolkit?spm=5176.cndragonwell.0.0.70a87568BIAK52","lastContentLink":"https://www.aliyun.com/product/webx?spm=5176.cndragonwell.0.0.70a87568BIAK52"}}],"btn3":"","ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/imgextra/i4/O1CN011TDP5K2AAhpi20bLr_!!6000000008163-2-tps-64-64.png"}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}

Dragonwell

Alibaba Dragonwell 是一款免费的, 生产就绪型Open JDK 发行版，提供长期支持，包括性能增强和安全修复。完全兼容 Java SE 标准，您可以在任何常用操作系统（包括 Linux、Windows 和 macOS）上开发 Java 应用程序。

立即下载

了解更多

开发者必备

必备 IDE 插件

应用托管平台