Questions were on the following topics; 1. DSA/Problem Solving 2. Java(basics, OOPS, java8, streams etc.), 3. SQL 4. LLD 3. Resume(experience, project, skills)
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Time complexity of my solutions.
You are given an m x n integer matrix matrix with the following two properties Each row is sorted in non-decreasing order. The first integer of each row is greater than the last integer of the previous Given an integer target, return true if target is in matrix or false otherwise You must write a solution in O(log(m * n)) time complexity. Input: matrix = [ 11,3, 5, 7], [10,11,16,20], [23,30,34,60]], target =3 Output: true
SQL queries Rest API, Spring Security, Collections- HashMap
Oops,Collections, java8,string array,Microservices, Springboot Besic concept
What are deployment strategies for software systems? How do microservices operate, and what stability patterns can be applied?
What are transaction isolation levels and how are they implemented? What types of locks exist in databases? What are the different scalability options for databases, and what are their pros and cons? How do you handle database migrations?
Implement a money transfer service between accounts with proper locking mechanisms for multithreaded environments
How is HashMap internally implemented in Java? What is the default size of a HashMap?
How does the transactional work?
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