its ok to be a bit tensed before exams,for the mock exams i suggest you dont waste time on searching the mock papers only two are suffiecient.......
1.whizlabs(very tough and complicated, such type of questions you are not going to see in the real exam)
2.devaka cooray(having 5 exams,ALL ARE AWESOME,you will learn a lot)
k&b is the bible of scjp, in real exam you will feel that k&b seted the paper.......you wont find a single concept not given in the book!!
problem is with scwd for which i am preparing
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and dont bother about your scjp percentage because in your certificate it will be mentioned no where....!!
whether you get 59% or 99% all are the same in certificate
!!
best of luck!!