Java int integer区别的相关内容

【Java】int和Integer的区别？为什么有包装类？

1. int和Integer的区别？为什么有包装类？java是一种强类型的语言，所以所有的属性都必须要有一个数据类型。PS：java10有了局部变量类型推导，可以使用var来代替某个具体的数据类型，但是在字节码阶段，java的变量仍然有明确的数据类型，并且局部变量类型推导有许多限制和不...

Java Int与Integer的区别

Int与Integer的区别基本数据类型与包装类型基本类型与包装类型比较基本数据类型与包装类型java提供了基本数据类型八种：boolean、char、byte、short、int、long、float、double也提供了相应的包装类型：包装类型：Boolean、Character、Byte、...

「大师课」搞定 Java 开发基础

23 课时 |

8714 人已学 |

加入学习

Java Spring Boot 2.6.0开发实战-1024程序员节创造营公益课

5 课时 |

1162 人已学 |

加入学习

Java Web开发-Web应用、Tomcat、HTTP请求与响应

17 课时 |

1440 人已学 |

加入学习

Java和C＃中的int和Integer有什么区别？

当我遇到Joel Spolsky时，我读的是《更多关于软件的 Joel》，他说了一种有关特定类型的程序员的一些知识，他们知道Java / C＃（面向对象编程语言）中an int和an 之间的区别Integer。那么区别是什么呢？

java int与integer的区别

int与integer的区别从大的方面来说就是基本数据类型与其包装类的区别： int 是基本类型，直接存数值，而integer是对象，用一个引用指向这个对象 1.Java 中的数据类型分为基本数据类型和复杂数据类型 int 是前者而integer 是后者（也就是一个类）；因此在类进行初始化时int类...

java中int和Integer有什么区别，哪个在公司中比较常用？

java中int和Integer有什么区别，什么时候用int，什么时候用后者，哪个在公司中比较常用？

共有6条

< 1 >

跳转至： GO

更新时间 2023-10-17 06:52:46

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。

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1iJox2Br0gK0jSZFnXXbRRXXa-200-200.png","contentLink":"https://www.aliyun.com/product/arms","title":"应用实时监控服务 ARMS","des":"应用实时监控服务ARMS 包含前端监控，应用监控、云拨测等模块，全面涵盖浏览器、小程序、分布式应用、容器环境等不同环境，实现全栈式性能监控与端到端全链路追踪诊断， 让运维监控更加高效便捷。","link1":"https://buy.aliyun.com/arms?spm=5176.8064714.J_976547.pricedetail1111.dd97bf88oe8ohN#/loading","btn1":"15天免费试用","link2":"https://common-buy.aliyun.com/?spm=5176.8140086.1280672.buy11.30f2bb91uujI1A&commodityCode=arms_app_bag#/buy","btn2":"资源包购买","btn3":"帮助文档","link3":"https://help.aliyun.com/product/34364.html?spm=5176.8140086.1280622.1.30f2bb91uujI1A","infoGroup":[{"infoName":"最新动态","infoContent":{"firstContentLink":"https://www.aliyun.com/activity/middleware/observability","firstContentName":"新老用户限时钜惠","lastContentLink":"https://www.aliyun.com/activity/middleware/observability","lastContentName":"最新实践 & 公开课"}},{"infoName":"相关推荐","infoContent":{"firstContentLink":"https://www.aliyun.com/activity/middleware/Application_monitoring?spm=5176.8140086.J_4084816840.3.1db8be45A6RecL","firstContentName":"ARMS - 应用监控","lastContentName":"ARMS - 前端监控","lastContentLink":"https://www.aliyun.com/activity/middleware/web_monitoring?spm=5176.26849857.J_9938243310.4.640115e9rV41KE"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速接入","lastContentName":"价格说明","firstContentLink":"https://help.aliyun.com/document_detail/65257.html?spm=a2c4g.11174283.6.568.7e1a345chBs6Ka","lastContentLink":"https://www.aliyun.com/ntms/price/detail/arms_detail?spm=5176.8140086.J_5253785160.5.671c2c909ipO3p"}},{"infoName":"相关推荐","infoContent":{"firstContentName":"ARMS - 云拨测","firstContentLink":"https://www.aliyun.com/activity/middleware/website/performance/test?spm=5176.20960838.0.0.6d33305emfVIyC","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"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。<br>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。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"应用实时监控服务ARMS","subtitle":"","linkUrl":"","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":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB1iJox2Br0gK0jSZFnXXbRRXXa-200-200.png","contentLink":"https://www.aliyun.com/product/arms","title":"应用实时监控服务 ARMS","des":"应用实时监控服务ARMS 包含前端监控，应用监控、云拨测等模块，全面涵盖浏览器、小程序、分布式应用、容器环境等不同环境，实现全栈式性能监控与端到端全链路追踪诊断， 让运维监控更加高效便捷。","link1":"https://buy.aliyun.com/arms?spm=5176.8064714.J_976547.pricedetail1111.dd97bf88oe8ohN#/loading","btn1":"15天免费试用","link2":"https://common-buy.aliyun.com/?spm=5176.8140086.1280672.buy11.30f2bb91uujI1A&commodityCode=arms_app_bag#/buy","btn2":"资源包购买","btn3":"帮助文档","link3":"https://help.aliyun.com/product/34364.html?spm=5176.8140086.1280622.1.30f2bb91uujI1A","infoGroup":[{"infoName":"最新动态","infoContent":{"firstContentLink":"https://www.aliyun.com/activity/middleware/observability","firstContentName":"新老用户限时钜惠","lastContentLink":"https://www.aliyun.com/activity/middleware/observability","lastContentName":"最新实践 & 公开课"}},{"infoName":"相关推荐","infoContent":{"firstContentLink":"https://www.aliyun.com/activity/middleware/Application_monitoring?spm=5176.8140086.J_4084816840.3.1db8be45A6RecL","firstContentName":"ARMS - 应用监控","lastContentName":"ARMS - 前端监控","lastContentLink":"https://www.aliyun.com/activity/middleware/web_monitoring?spm=5176.26849857.J_9938243310.4.640115e9rV41KE"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速接入","lastContentName":"价格说明","firstContentLink":"https://help.aliyun.com/document_detail/65257.html?spm=a2c4g.11174283.6.568.7e1a345chBs6Ka","lastContentLink":"https://www.aliyun.com/ntms/price/detail/arms_detail?spm=5176.8140086.J_5253785160.5.671c2c909ipO3p"}},{"infoName":"相关推荐","infoContent":{"firstContentName":"ARMS - 云拨测","firstContentLink":"https://www.aliyun.com/activity/middleware/website/performance/test?spm=5176.20960838.0.0.6d33305emfVIyC","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"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。<br>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。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"应用实时监控服务ARMS","subtitle":"","linkUrl":"","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":[]}}