Cognizant GenC Developer interview questions

TR Introduce yourself Final year project. what is your roll? What challenges u faced? In which language your comfortable? Difference between c and java Difference between while and Do while loop What do you know about Java Language? what is Oops pillars and explain briefly when we want to go for one loop to another loop keyword used? when we want to go for one statement to another which keyword instead of break? write a program swap two number without using third variable and also using temp variable which is leap year between 100,200,300,400? sum of two numbers is 10 and sum of two products is 20 what is the reciprocal? what do u know about Cognizant? Why u want to join cognizant and not other companies?

Basics of ooos and 1 basic code i.e. swapping