Windows
- Open Eclipse
- Window -> Preferences -> Java -> Installed JREs
- Add
- Navigate to JRE location – C:\Program Files\Java\…
Mac
- Open Eclipse
- Eclipse -> Preferences -> Java -> Installed JREs
- Add
- Navigate to JRE location – /Library/Java/JavaVirtualMachines/jdk1.7.0_40.jdk/Contents/Home
Set Java Compliance Level
- Preferences -> Java -> Compiler
- Compiler Compliance Level