Q - String Pool, Memory Allocation, Java Heap
Q - Data Consistency in Microservices, Saga patterns
Q - Reverse String
Q - Find the largest and smallest value in num array
Q - Difference between List and Set/Array
Q - Difference between Request mapping and Get mapping
Q - Different annotations in Spring Boot like RestController, Repository, Component, Service
Q - Synced variables in java
Q - Thread safe operations
Q - String Double vs String Buffer
Q - Write a query to find 2nd largest salary in the SQL table