Yokogawa Full Stack Developer Interview Questions and Answers

I have worked on various projects including web development, mobile app development, and data analysis.

• Developed a web application using React and Node.js for a client in the e-commerce industry

• Created a mobile app using Flutter for tracking daily expenses

• Performed data analysis on customer feedback data using Python and SQL

The question involves solving a data structure and algorithm problem, typically requiring logical reasoning and coding skills.

• Understand the problem statement clearly before attempting to solve it.

• Identify the data structures that can be used (e.g., arrays, linked lists, trees).

• Consider edge cases and how they might affect your solution.

• Write pseudocode to outline your approach before coding.

• Test your solution with var...read more

OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction, forming the foundation of object-oriented programming.

• Encapsulation: Bundling data and methods in a class. Example: A class 'Car' with attributes like 'speed' and methods like 'accelerate()'.

• Inheritance: Mechanism to create a new class from an existing class. Example: 'ElectricCar' inherits from 'Car'.

• Polymorphism: Ability to process objec...read more

I admire your company's innovative approach and commitment to quality, which aligns with my career goals and values as a developer.

• Your company's focus on cutting-edge technology, like AI and machine learning, excites me as I want to work on impactful projects.

• I appreciate your commitment to professional development, such as mentorship programs, which will help me grow my skills.

• The collaborative culture here fosters c...read more

SQL constraints are rules applied to table columns to enforce data integrity and validity.

• PRIMARY KEY: Uniquely identifies each record in a table. Example: `CREATE TABLE Users (UserID INT PRIMARY KEY);`

• FOREIGN KEY: Ensures referential integrity between two tables. Example: `FOREIGN KEY (UserID) REFERENCES Users(UserID)`.

• UNIQUE: Ensures all values in a column are different. Example: `CREATE TABLE Users (Email VARCHAR(25...read more

Accessing id parameter in URL involves parsing the URL and extracting the id value.

• Use the window.location object to access the URL of the current page.

• Parse the URL using methods like split() or URLSearchParams to extract the id parameter.

• Example: If the URL is 'http://example.com/page?id=123', you can access the id value by parsing the URL.