Enfec Solutions Interview Questions and Answers

Q1. Based on manual testing
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Q2. Based on core java
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Q3. Smoke and sanity testing
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Q4. Method overloading
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Q1. Real based questions
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Q2. Ans also manual and java questions
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Q1. 1. Create rest apis.
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Creating REST APIs involves designing endpoints, defining request and response formats, implementing CRUD operations, and handling authentication and authorization.
• Design endpoints based on resource hierarchy and actions (GET, POST, PUT, DELETE)

• Define request and response formats using JSON or XML

• Implement CRUD operations for each endpoint (Create, Read, Update, Delete)

• Handle authentication and authorization using toke...read more
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Q2. 2. What is autowired
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Autowired is a feature in Spring Framework that allows automatic dependency injection.
• Autowired annotation is used to automatically wire beans by type.

• It eliminates the need for explicit bean configuration in XML or Java configuration.

• Autowired can be used on properties, setters, and constructors.

• Example: @Autowired private UserService userService;
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Q3. 3 palindromic string
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A palindromic string is a string that reads the same forwards and backwards.
• Create a function to check if a string is a palindrome by comparing characters from start and end of the string.

• Examples: 'racecar', 'level', 'madam'
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Q1. Rest api integration with rest template
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Rest template is used to consume RESTful web services in Spring Boot applications.
• RestTemplate is a class provided by Spring Framework to make RESTful web service calls.

• It simplifies the process of consuming RESTful web services by handling the HTTP requests and responses.

• You can use RestTemplate to make GET, POST, PUT, DELETE requests to RESTful APIs.

• Example: RestTemplate restTemplate = new RestTemplate(); ResponseEnt...read more
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Q2. Given an array and index value rotate the array
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Rotate an array of strings based on given index value
• Create a new array and copy elements starting from the given index to the end

• Copy elements from the start of the original array to the given index to the new array

• Combine the two arrays to get the rotated array
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Q1. Salary negotiation round
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Basic Java and spring boot question and then API consume and expose API. The second largest find without duplicate

Q1. How spring security works and hibernate and JPA
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Spring Security provides authentication and authorization for Java applications, while Hibernate and JPA are used for ORM in database operations.
• Spring Security provides authentication (login) and authorization (access control) for Java applications.

• Hibernate is an ORM (Object-Relational Mapping) framework that simplifies database operations in Java applications.

• JPA (Java Persistence API) is a specification for ORM in ...read more
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