EarlySail Software Interview Questions and Answers

WAP to collect all even no in list using stream API

• Use stream() method to convert list to stream

• Use filter() method to filter even numbers

• Use collect() method to collect filtered numbers into a list

OOPs concepts are the fundamental principles of Object-Oriented Programming.

• Encapsulation - binding data and methods together

• Inheritance - reusing code and creating a hierarchy of classes

• Polymorphism - ability of objects to take on many forms

• Abstraction - hiding implementation details and showing only necessary information

Resolved project challenges through effective problem-solving techniques.

• Identified the root cause of the challenges

• Collaborated with team members to brainstorm solutions

• Implemented appropriate strategies to overcome obstacles

• Tested and validated the implemented solutions

• Documented the resolution process for future reference

Reverse a given string using Java programming language.

• Create a new empty string

• Iterate through the original string from end to start

• Append each character to the new string

• Return the new string

Spring Boot has various annotations for different purposes.

• SpringBootApplication - marks the main class of the application

• RestController - marks a class as a RESTful controller

• Autowired - marks a constructor, field, or setter method to be autowired by Spring

• GetMapping/PostMapping/PutMapping/DeleteMapping - maps HTTP requests to methods

• Component - marks a class as a Spring component

• Service - marks a class as a service layer component

• Repository - marks a class as a data access ...read more