Evolve Technologies & Services Software Engineer Interview Questions and Answers

Q1. Difference between interface and abstract
Ans. 
Interface is a contract that defines the methods a class must implement, while abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and constants, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheritance in Java, while abs...read more
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Q2. Tell about constructor
Ans. 
A constructor is a special type of method that is used to initialize objects in a class.
• Constructors have the same name as the class they belong to.

• They do not have a return type.

• They are called automatically when an object is created.

• Constructors can have parameters to initialize object properties.

• Example: public class Car { public Car(String color) { this.color = color; } }
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Q1. Asked about salary, Technology worked with
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Q1. What are components
Ans. 
Components are reusable and independent parts of a software system that perform specific functions.
• Components are modular and can be easily integrated into different parts of a software system.

• They help in organizing code and promoting reusability.

• Examples include buttons, input fields, and dropdown menus in a user interface.

• Components can be class-based (e.g. React components) or function-based (e.g. Angular component
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Q2. Es6 features in javascript
Ans. 
ES6 features in JavaScript include arrow functions, classes, template literals, destructuring, and more.
• Arrow functions provide a more concise syntax for writing functions.

• Classes allow for easier object-oriented programming.

• Template literals enable easier string interpolation.

• Destructuring simplifies extracting values from arrays and objects.
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Skill set and additional review

Q1. Technical question roles and responsibilities
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Q2. Procedure merge nvl
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Q1. Tell me more about your last task that you worked on.
Ans. 
Developed a web application for managing customer orders and inventory.
• Used JavaScript, HTML, and CSS to build the front-end interface.

• Implemented a RESTful API using Node.js and Express.js for the back-end functionality.

• Utilized a PostgreSQL database to store and retrieve data.

• Implemented authentication and authorization features for secure access.

• Performed unit testing and debugging to ensure the application's functi...read more
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Q2. Design a System from High level and low level
Ans. 
Designing a system involves creating a high-level architecture and breaking it down into low-level components.
• Start by identifying the problem the system needs to solve

• Create a high-level architecture that outlines the major components and their interactions

• Break down each component into smaller, more manageable pieces

• Design each low-level component with a specific function in mind

• Ensure that all components work togeth...read more
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Q3. Some direct Questions from SQL
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Q1. LMS LOS CMS life cycle
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Q2. What is loan life cycle
Ans. 
Loan life cycle refers to the stages involved in the processing and management of a loan.
• The loan life cycle includes origination, underwriting, funding, servicing, and collection.

• Origination involves the application and approval process.

• Underwriting involves assessing the borrower's creditworthiness and determining the terms of the loan.

• Funding involves disbursing the loan amount to the borrower.

• Servicing involves man...read more
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Q3. What is software life cycle
Ans. 
Software life cycle is the process of developing software from conception to retirement.
• It includes phases like planning, design, development, testing, deployment, and maintenance.

• Each phase has its own set of activities and deliverables.

• The life cycle model can be iterative, sequential, or a combination of both.

• Examples of life cycle models include Waterfall, Agile, and DevOps.
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Q1. Difference between interface and abstract
Ans. 
Interface is a contract that defines the methods a class must implement, while abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and constants, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheritance in Java, while abs...read more
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Q2. Tell about constructor
Ans. 
A constructor is a special type of method that is used to initialize objects in a class.
• Constructors have the same name as the class they belong to.

• They do not have a return type.

• They are called automatically when an object is created.

• Constructors can have parameters to initialize object properties.

• Example: public class Car { public Car(String color) { this.color = color; } }
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