can v create this in java if yes name the technology we ll require ?

how to create social networking software for my final year project that divides into three parts( i mean screen ll be divided in 3equal parts )
1. a facebook home page
2. fb profile page
3. messages of fb .

do we need to create this app using fb api and then submit it to fb so that when we login through our software fb send all the relevent data to our app ...but with this , the problem is we dont know fb api ( how to code for fb apps) and how to develop app for fb platform ...do any one has any other idea that help us creating this app .
thnks for trying atleast.

i have six months to implement this thing and i know basic c c++ and currently learning java

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