Nah jika menemukan error seperti diatas untuk mengatasinya tinggal Klik kanan – Project -> Properties -> Select Java SDK source -> Java 7
Sekian Info mungkin bisa membantu…dan ini sebagai dokumentasi saya…jadi apabila ada seseorang yg bertanya cara begini itu mudah kenapa harus dishare ya ini dokumentasi saya jika saya lupa tinggal cari di blog saya tanpa perlu mencari2 lagi di internet lebih cepat…:p
Blog Gue :D 
Yes! Finally someone writes about examine synonym.
Greetings.
I know this is kinda off topic however I’d figured I’d
ask. Would you be interested in exchanging links or maybe guest authoring a blog article
or vice-versa? My website covers a lot of the same subjects as
yours and I think we could greatly benefit from each other.
If you are interested feel free to drop me an email.
I look forward to hearing from you! Superb blog by the way!