Saral Health Software Developer Interview Questions and Answers

Q1. Java coding questions with microservices design patterns.
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Q1. System design and nfr discussion
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Q1. Sql basic questions
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String and arrays duplicate and sorting questions

Q1. Project details
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Q2. Project deployment
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Q1. Previous company details
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Q2. CTC discussion and company review
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Q1. What is object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.

• Example: In a banking application, a 'Customer' class may have attributes like name and account balance, and methods li
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Q2. React vs angular
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React is a lightweight library for building user interfaces, while Angular is a full-fledged framework for web development.
• React is more flexible and allows for easier integration with other libraries and frameworks.

• Angular provides more out-of-the-box features and a more opinionated structure.

• React uses a virtual DOM for better performance, while Angular uses two-way data binding for easier data manipulation.

• React is ...read more
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Concentrate on an array of strings and fundamental coding knowledge.

Core concepts and coding involve integrating and understanding processes from the beginning to successfully complete projects.

Q1. Can you provide some basic information about yourself and describe the projects you have worked on?
Ans. 
I am a software developer with 5 years of experience. I have worked on projects involving web development, mobile app development, and database management.
• 5 years of experience in software development

• Proficient in web development, mobile app development, and database management

• Worked on projects involving e-commerce websites, iOS and Android apps, and SQL database optimization
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Q2. Culture fit
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Q1. Salary discussion
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Q2. Communication
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Q1. What is difference between inner join and full join
Ans. 
Inner join returns only the matching rows between two tables, while full join returns all rows from both tables.
• Inner join only includes rows that have a match in both tables

• Full join includes all rows from both tables, filling in NULL values for non-matching rows

• Inner join is more commonly used than full join in practice

• Example: Inner join - SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id

• Example: Full ...read more
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Q1. Anagram of two strings in java
Ans. 
Java program to check if two strings are anagrams
• Create a function that takes two strings as input

• Convert both strings to character arrays and sort them

• Check if the sorted arrays are equal to determine if they are anagrams
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Q2. Insert and select query in MySQL
Ans. 
Insert and select data in MySQL using SQL queries
• Use INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); to insert data

• Use SELECT * FROM table_name; to select all data from a table

• Use SELECT column1, column2 FROM table_name WHERE condition; to select specific data based on a condition
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Q3. Get and Post APIs in rest
Ans. 
GET and POST are HTTP methods used in REST APIs for retrieving and sending data.
• GET method is used to retrieve data from a server

• POST method is used to send data to a server

• GET requests are idempotent, while POST requests are not

• GET requests should only be used for retrieving data, not for modifying data

• Example: GET request to retrieve a list of users - GET /users

• Example: POST request to create a new user - POST /users
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Two coding questions, one is easy and the other is difficult. Who solved 2nd question was shortlisted for an interview.

Q1. Introduce yourself—questions from OS, DBMS, DSA, Project, and one coding problem.
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