1. OOPs concepts and classes 2. Methods and functions 3. Design patterns and their usage 4. Have you worked on Singleton design? What are its pros and cons? 5. Strings, Java templates, error handling and exceptions 6. Multithreading and parallel computing
Core java Multithreading
What do you like the most in your recent job
Explain Microservice Architecture.
What is Singleton & how to implement the same?
Implement queue using two stacks.
Queue Tree hashmap internal working set internal working
Implement a method for reading from the input (Java IO, System.in, or just basically a file), mapping that input into objects, and writing those objects to the output (System.out). You can use any library of your choice to solve that problem
depending on panel mood. if Junior resources then will be asking on google based.
Basic java questions and how to detect loop in a linked list .
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