1st round : test 2nd round : technical 3rd round was hr but I was not able to articulate my points property . Interviewer was good and made me more relaxed

IT was average, 1st round is interview process is aptitude test including java, Javascript questions , aptitude, logical question. 2nd round of interview is technical interview, incuding one logical question and java , javascript question. difference between let , const, var. 2 coding questions 1.reverse string 2.swapping of 2 numbers without using 3rd variable