Genpact Software Engineer Java Developer interview questions

Went @12:00pm...only 4-5 interview panel...1st round @5:00pm....horrible....I was about to come....they told plz wait for sm more minutes.... Finally.... One girl took interview.... Till 5:00pm everybody will tired.....she also tired...just for name shake she took interview.... She asked the question that she also don't know..she asked core Java internals....she asked methods name.... Who will remember methods name....only ratto person..... =D ....asked some string questions... I answered.... Only 15 min interview.... Actually, she got tired....n she was in hurry to go home.....finally she told HR will get back to you ...haha... Around 80 people came and till 5:00pm only 1st round completed...for all selected for 2nd round.....horrible.....worst experience ever...

After waiting for 1 hour, Interview started 1to1 and interviewer was a lady who asked questions like difference between class and object,interface,abstract class and after giving all correct answers, she decided to reject me.worst interviewer I ever faced.