I need best clustering algorithm code

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Java

am mtech student for my academic project i need your help ...

requirement of project :
1)clustering the sentences
2) generate meaning full cluster label

What I have tried:

1)am doing clustering and labeling micro bloggings messages
till now
1) collected data from twitter
2) sample java program created the tokenize sentence and find and replace defined unstructured words
ex : @ ==in ,nt= night