Parsing data for Android L failed.Unsupported major.minor version 51.0

Question

After installing ADT Plugin for Eclipse, I tried to make a new Hello world Android app.

But I met with the following error when I tried to open a new Android Applica

Answer 1

Please check for the following.

1. Ensure that you have restarted your system after specifying the path name.
2. You can look for the following icon on your eclipse's layout screen. !() The "20" specifies the android version to use when rendering layouts. Change it and see.
3. Last but not least review your ADT configurations. Hope this helps.

Answer 2

Sometimes it can be just because the compiler compliance level is not set properly in Eclipse Java Compiler settings.

Go to Eclipse Preferences, under Java section-> go to Compiler and then in JDK compliance level select 1.7