Advantage of String constant pool? Advantage of using finally block? Advantage of using Optional class in Java? How will 2 microservices communicate with each other? What is API Gateway?
Java Software Developer Interview Questions
4,195 java software developer interview questions shared by candidates
The interview questions spanned a variety of topics within Java development. There were questions covering both core and advanced aspects of Java, including specifics about OOP principles such as inheritance, encapsulation, polymorphism, and abstraction. There were also questions about the Spring and Spring Boot frameworks, testing my understanding of these important tools in Java web development. Towards the end of the interview, I was asked to defend and discuss the project I had been working on, explaining my design choices, challenges faced, and how I overcame them. The interview gave me a chance to showcase both my technical knowledge and my problem-solving skills.
They asked me about my Technical Intro, Technology stack, and all technical and project related questions.
Internal working of hash map String pool in detail Comparator vs comparable How can we store one I'd with multiple orders (like one 2 many)
Few test cases were asked to be completed within one hour of time in the spring boot application. Need to complete coding and run it using provided junit test cases.
Multithreading collection serialisation object class
Depth understanding of java and spring framework.
Oops, collection, core Java, Java 8, springboot, hibernate
Interviewer asked more about latest versions questions, How you handled difficulties in your project , Some basic questions of Java and Spring boot along coding.
Which functions to be overridden for a Java hashmap to work correctly?
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