Interview Questions for Java Lead at Ingenuity Gaming Pvt Ltd, Noida

Overview:

Ingenuity Gaming Pvt Ltd is service based company. It has around 200 employee but don't have sufficient resources like Cafeteria, Lift and Parking.
There are having 2 technical, 1 client round and they mainly focus on Core Java and logical skills.

Interview Questions:

First Round:

  1. Describe your self.
  2. What is the abstract class and can we have a abstract class without any abstract method.
  3. Difference between abstract class and interface.
  4. What are the ways to create thread in Java
  5. What is the synchronization
  6. Implement Singleton design pattern
  7. Internal implementation of HashMap
  8. There is an array which is having 1 to 50 number and 1 number is missing. Write a program to find the missing number
  9. There is an array which is having 1 to 10 numbers. Write a program to find highest and second highest number from the array.
  10. What is the use of maven
  11. Difference between git and svn and also ask tells daily uses git commands

Second Round:

  1. Define a project life cycle
  2. What is the reason to change current job
  3. Why do we use MongoDB in place of MyQql
  4. You have three boxes which labels are Apple, Mango and Apple+Mango, all labels are wrong. It means if the box's label is Apple this means that box can have either Mango or Apple+Mango but will not have Apple and same for second box which label is Mango that can have either Apple or Apple+Mango  and in third box which label is Apple+Mango which will have either Apple or Mango, Now you  can get a fruit from any box only one time then correct all boxes labels.
  5. We have 7 balls with same structure and color in which every ball weight is 1 kg except 1 ball which weight is 1.01 kg. You have Weight Scale in which you can weight only two times, now find the ball which weight is 1.01kg
  6. There was a king whose having 9 very costly wine bottles and planning a party after 1 week. There were three thief they mixed some different type of poison(if today somebody will have the poison then the person will die after six days) in a wine bottle. King caught those three thief. Now the king want to find that poison mixed wine bottle and he is having only 7 days for party. If he will give the poison mixed bottle to any thief then the thief will die after six days so this process will take around 18 days to find out the poison mixed bottle. So how would you get the poison mixed bottle withing week?

Please comment your answers for above questions 😆



Location: 1st Floor, 14, Shaheed Captain Bhan Marg, F Block, Sector 8, Noida, Uttar Pradesh 201301, India

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