There were 4 rounds(4 technical+hr). screening written(apti ,SCJP java questions they just copied and pasted) 1.1st technical round(1 hr): They asked basics of java,some questions like(swapping of 2 numbers with out a temporary variable,how can u resolve the overflow in this case),what is the meaning of public static void main,producer consumer problem,singleton design pattern,palidromes,String buffer,Stringbuilder diff,access specifiers. 2nd round: Again the basic questions(1 hr). what is the output of(if x=6,++(++x)-----(++7) wrong.Find out the longest palindrome in the given string.Reverse the given string.He explained about the job profile. After that they said i will get a call from US. 3rd Round: This is the director round.They mainly look for ur english skills.Asked abt java basics,singleton use,some brain teasers. not able to clear