10 Software Developer interview questions that HCL Technologies ask

 

Are you preparing for an interview at HCL Technologies for the position of Software Developers? Here is something that can help you out.

HCL recently announced that the giant is going to hire employees in India that includes Software Developers. Hence, it is essential to be interview ready which can increase the chance for you to get selected and bag a job at HCL technologies. 

Here are a few interview questions for the software developers that are asked at HCL Technologies.

1. What is the difference between UNIQUE and PRIMARY KEY constraints?
2. What is the difference between creating String as new() and literal?
3. What is the difference between string buffer, string and string builder.
4. What is a linked list? Explain single and double separately.
5. What is the state of the processor, when a process is waiting for some event to occur?
6. In Java, how does System.out.println() work?
7. What is the Java run-time constant pool?
8. What is an abstract class?
9. What is a cascading style sheet?
10. What is a garbage collector?