Fingent Backend Developer Interview Questions and Answers

Normal java coding question

Q1. What are spring ioc
Ans. 
Spring IoC (Inversion of Control) is a design pattern where the control of object creation and lifecycle is shifted to a container or framework.
• In Spring IoC, objects are created and managed by the Spring container.

• It helps in achieving loose coupling between classes.

• Dependency Injection is a key feature of Spring IoC, where dependencies of a class are injected by the container.

• Example: @Autowired annotation in Spring
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Q2. Different implementation of map interface
Ans. 
The Map interface in Java provides a way to store key-value pairs and retrieve values based on keys.
• Different implementations of the Map interface include HashMap, TreeMap, LinkedHashMap, and ConcurrentHashMap.

• HashMap provides constant-time performance for basic operations but does not guarantee the order of elements.

• TreeMap maintains elements in sorted order based on keys.

• LinkedHashMap maintains the insertion order of...read more
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Q1. What is ambition in your life
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Q1. Find pairs from list whose is equals to target
Ans. 
Find pairs from list whose sum is equal to target
• Iterate through the list and for each element, check if the target minus the element exists in a hashmap

• If it exists, add the pair to the result list

• If it doesn't exist, add the current element to the hashmap
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Q2. Multiple iNheritance
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Q1. Tell me about yourself.
Ans. 
I am a backend developer with experience in building scalable and efficient web applications.
• Experienced in designing and implementing RESTful APIs

• Proficient in programming languages like Java, Python, and Node.js

• Skilled in database management and optimization

• Familiar with cloud platforms like AWS and Google Cloud

• Strong problem-solving and debugging skills
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Q2. When and for how long will the interview be
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Q3. I don't want to ask Please tell how many rounds of interview there will be
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Q4. Tell me the timing of the interview so that I will do the preparation
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Q5. Don't ask anything, just tell me
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Q6. What will be the topic you tell me
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Q7. I have seen naukari.com I am looking for job
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Q8. Get you interview done quickly because you need this job
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Q1. Java,Spring,hibernate,SQL
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