Xamarin Android build failure: class file has wrong version 52.0, should be 50.0 · Issue #1486 · appveyor/ci · GitHub
![java - Xamarin upgrade causes "class file has wrong version 52.0, should be 50.0" error - Stack Overflow java - Xamarin upgrade causes "class file has wrong version 52.0, should be 50.0" error - Stack Overflow](https://i.stack.imgur.com/HdQlu.png)
java - Xamarin upgrade causes "class file has wrong version 52.0, should be 50.0" error - Stack Overflow
![java - error "class file has wrong version 55.0, should be 52.0" when building Alfresco - Stack Overflow java - error "class file has wrong version 55.0, should be 52.0" when building Alfresco - Stack Overflow](https://i.stack.imgur.com/QsfdX.png)
java - error "class file has wrong version 55.0, should be 52.0" when building Alfresco - Stack Overflow
![Javarevisited: How to fix java.lang.UnsupportedClassVersionError: Bad version number in .class files? Example Javarevisited: How to fix java.lang.UnsupportedClassVersionError: Bad version number in .class files? Example](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHzpm6U0RtSQDeMJI4k3ZG2MNIvorjHib9aj4gFELyomHhLn_7XfRQHiEv3zzJBdk3acWSk1uYElyUIo-FJoFi8ZEppLXSeWTUTR56tHo1RLbVnrAHPW_XfsVWUPAdeCWArAjIh1u4Swj59dAL95hOK4pRu43XRcECJUjei4OwHxfSBjw1lBmWIZen/w425-h303/Class%20File%20in%20Java%20Byte%20Code.png)
Javarevisited: How to fix java.lang.UnsupportedClassVersionError: Bad version number in .class files? Example
![java - "class file has wrong version 54.0, should be 52.0" while compiling javaFX project - Stack Overflow java - "class file has wrong version 54.0, should be 52.0" while compiling javaFX project - Stack Overflow](https://i.stack.imgur.com/ASKrk.png)