trying to java swings. its windowbuilder on macOS HighSierra on eclipse oxygen 4.7.3a. i tried everything. i need an affrimitive answer for this question as you can see the design part doesnt work.

MyWorkSpace GUI-APPLICATIONS/src/test1/GUI.java - Eclipse Quick Access GUI APPLICATIONS Incompatible Java versions ?testi Eclipse is running under 0, but this Java project has a 1.8 Java compliance level, so WindowBuilder will not be able to load classes from this project. Use a lower level of Java for the project, or run Eclipse using a newer Java version. JRE System Library [JavaSE-1.8] Reparsc Switch to code SourceDesign ProblemS @Javadoc E. Declaration Console ? Coverage cterminated> GUl Java Application ib 10.0.1 ava (May 5, 2018, 5:38:41 Viritable Smart Insert