Role - Java backend developer
Experience - 3 years 5 months
Location - Bangalore

Round 1:

1. Tell about the internal working of hashmaps
2. What are abstract classes and constructors, can an abstract class have constructor?
3. Coding question - Find the minimum changes (total absolute increment/ decrement) needed to make median of an array equal to K, Find the minimum number of arrows needed to burst balloons placed horizontally
   Verdict - Selected

Round 2:

1. Print 1 to N using 2 threads (write full working code)
2. What are the uses of docker, tell about Java Collections Framework
3. Tell about the collision resolution techniques in HashMaps, types of database indices, dependency inversion, IOC container

Verdict - Rejected as the multi-threading program gave incorrect output (though I had explained the logic correctly).