Mphasis Software Developer Interview Questions, Process, and Tips

Q1. What is Collection, Interface?
Ans. 
Collection is a group of objects, Interface is a contract that defines a set of methods to be implemented.
• Collection is a framework that provides an architecture to store and manipulate a group of objects.

• Interface in Java is a blueprint of a class that defines a set of methods without implementation.

• Example: List, Set, Map are different types of collections in Java. Comparable, Serializable are examples of interfaces.
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Q2. Create the API using Spring boot.
Ans. 
Creating API using Spring Boot for software development.
• Use @RestController annotation to define RESTful web services.

• Define request mappings using @RequestMapping annotation.

• Use @GetMapping, @PostMapping, @PutMapping, @DeleteMapping annotations for specific HTTP methods.

• Use @RequestBody annotation to bind HTTP request body to a method parameter.

• Use @ResponseBody annotation to bind the return value to the HTTP response
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Duration was 2hrs. Consists of logical verbal and Quants related questions.

Q1. Project frameweworks
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Q2. Explain the use of your project
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Q1. General questions
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Q2. Any internship experience
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Q1. What is design pattern
Ans. 
Design pattern is a reusable solution to a commonly occurring problem in software design.
• Design patterns help in creating efficient, maintainable, and scalable software.

• They provide a common language for developers to communicate and understand each other's code.

• Examples of design patterns include Singleton, Factory, Observer, and Strategy patterns.
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Q2. Kafka related questions
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Q3. Hashmap implementation
Ans. 
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
• Hashmap uses a hash function to map keys to indices in an array.

• Collision handling is important in hashmap implementation.

• Java provides a built-in Hashmap class for easy implementation.
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Q1. Sql,python fronted
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Q2. Fronted question mostly asked
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How to generate an random numbera

Q1. Its depends one me
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Q1. Read java oops and basiscs of spring well, and if you had done thesis there can be questions on that
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Q2. Lambda expressions
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Q3. Stream filtering
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Q1. Why are you looking for job change
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Q1. Design patterns
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Q2. Collections hashmap
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