Error in Ant tool command line.

Question

I am getting while creating apk file in command line using ant tool.

My eclipse is LUNA and my jdk version is 1.8.0_45.

 

Error is:

(use -source 7 or higher to enable diamond operat

:\Work\Android WorkSpace\facebook\src\com\facebook

t.java:71: error: diamond operator is not supporte

this.suggestions = new ArrayList<>();