今天想用 AS 運行 Java 文件，但是發現運行之后報 main() 方法的錯誤

具體報錯如下：

11:06:09: Executing task 'JsonToLocal.main()'...Executing tasks: [JsonToLocal.main()] in project E:\NodeDemo\mvvm20220312FAILURE: Build failed with an exception.* Where: Initialization script 'C:\Users\Administrator\AppData\Local\Temp\JsonToLocal_main__.gradle' line: 20* What went wrong: A problem occurred configuring project ':app:baseobservable'. > Could not create task ':app:baseobservable:JsonToLocal.main()'.> SourceSet with name 'main' not found.* Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.* Get more help at https://help.gradle.orgDeprecated Gradle features were used in this build, making it incompatible with Gradle 6.0. Use '--warning-mode all' to show the individual deprecation warnings. See https://docs.gradle.org/5.6.4/userguide/command_line_interface.html#sec:command_line_warningsBUILD FAILED in 214ms 11:06:09: Task execution finished 'JsonToLocal.main()'.

度娘上很多博主說在.idea 下的 gradle.xml 下 GradleProjectSettings 結點增加以下代碼:

<option name="delegatedBuild" value="false"/>

添加了之后如果沒有實時生效的話，就重新啟動 AS 即可
如果有小伙伴知道原理的話請在評論區留言

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