实用的设置往往能提高开发效率，以下皆为个人常用设置推荐，文笔不好，还请见谅。
idea鼠标悬停提示文档
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File → Settings → Editor → General → 勾选Show quick documentation on mouse move
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idea自动导包
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File → Settings → Editor → General → Auto Import → Insert imports on paste选择All,同时勾选上Add unambiguous imports on the fly和Optimize imports on the fly(for current project)
自动导包
idea忽略大小写进行提示
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File → Settings → Editor → General → Code Completion → 去掉Match case的勾选
忽略大小写
idea自动进行编译
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File → Settings → Build → Compiler → 勾选 Build project automatically
自动编译设置
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