Thanks Hamsagayathri. But still not sure if line 1 and 2 going to compile or not. I found these in 2 diffrent mock test with diffrent answers. I tried but giving Compiler error. So just need to conform.
boolean b1=false; boolean b2=false;
b2!=b1!=b2; //Line 1 b2!=b1=!b2; //Line 2
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