Java Functional Interfaces
Technical Lead Java Interview Questions
511 technical lead java interview questions shared by candidates
Design lld for services like amazon.
Most of the questions are based on the design principles and design patterns.
Written test is to write a sort program. They asked very basic question to me and also not happy with my answers. These question were asked when I had 4 to 5 years exp. Cause of Java out of memory error ConcurrentHashmap where is the synchronized block written? ConcurrentHashmap and Collections.synchronizedMap() difference Singleton pattern Why static methods are used ? Versioning in rest webservice
Concept about java , spring, hibernate and SQL
Java test had simple questions. No idea why they also sent me a test on Angular.
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What are exceptions What are generics What is a stream and lambda and can you implement it Few questions on collections Write a query to get 2nd highest salary of employee.
Most unexpected aspect was the rote approach of using the equivalent of a Java101 exam to test someone's ability to apply it solve real world problems.
1. Functional interfaces 2. Microservices patterns 3. Exception Handling
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