Leading IT service and consulting firm HCL Technologies assists companies in transforming the digital era. HCL operates in over 50 nations and is based in Noida, India. The business earned a spot on the Forbes Global 2000 list by offering cutting-edge solutions in digital, cloud, infrastructure management, analytics, IoT, cybersecurity, automation, and engineering services.

Basic questions

1. State the usage of the finalize () method in Java.
2. State the use of polymorphism in Java.
3. What is I/O in C++?
4. What do you understand by nested classes?
5. State some cloud computing service models.
6. What do you know about Big Data?
7. State some software analysis & design tools.
8. State the usage of the pointer in C.

Theoretical Questions

1. Differentiate between C & C++?
2. Differentiate between a constant variable and a global variable.
3. Differentiate between structured English and Pseudo Code?
4. Differentiate between C and Java?
5. Differentiate between compiler, interpreter, and assembler?
6. What are the four pillars of OOPs?
7. What do SQL’s aggregate methods do?
8. What do SQL limits mean?
9. What do you know about the database?
10. In Java, how are multiple inheritances accomplished?
11. What is Python’s init?
12. What function does the DNS serve?
13. Differentiate between Application context and bean factory?
14. Differentiate between a constant and a global variable.

Scenario Questions

1. Define peep stack.
2. State the use case of the Collection framework.
3. State the use case of HashMap.
4. Elaborate StringBuffer along with its usage.
5. How will you implement a linked list?
6. What do strands mean?
7. Describe the function reference.
8. How do virtual functions work?
9. How many members can add to the TestSample class?

Practical questions

1. Nine individuals traveled to a hotel to eat. The other eight spent Rs. 12 on their dinners, while the ninth spent another Rs. 8 on expenses. How much money did they spend overall?
2. The batter scores 87 runs throughout 17 games, raising his average by 3. After 17 games, determine his average.
3. There are 778 kilometers between stations A and B. A train travels 84 km/h from point A to point B and returns to point A at 56 km/h. Throughout the entire journey, determine the train’s average speed.
4. 13/6 is the sum of a rational integer and its equivalent. Look up the amount.
5. Two digits added together equal 184. Find the minimum amount if one-third of one exceeds one-seventh of the other by 8.
6. Ramesh’s pay was initially reduced by 50% and later raised by 50%. What percentage does he drop?
7. 10% of a person’s pay was cut. How much of his reduced salary should increase to make it equal to his initial salary?
8. The number of units sold rose by 30% when the price of a product was lowered by 10%. What impact did it have on overall revenue?
9. The price of lamp fuel oil increased by 25% under the new expenditure plan. What percentage should a man reduce his usage to prevent a rise in consumption?

HR Interview Questions

1. Why do you want to work at HCL?
2. Describe yourself to us.
3. Why ought we to employ you?
4. What distinguishes confidence from overconfidence?
5. What do you think about working on the weekends and nights?
6. Are you able to perform under pressure?
7. What aggravates me?
8. In what position do you see yourself in five years?
9. What pay are you anticipating?
10. Why did you quit your previous job?
11. Please rate my interviewing skills on a range of one to ten.