Paras Hospital Junior Software Developer Interview Questions and Answers

Q1. What is the use of button when link can submit the form?
Ans. 
Buttons are used for actions within the form, while links are used for navigation.
• Buttons can trigger JavaScript functions or perform form validation before submission

• Buttons can have different styles and behaviors compared to links

• Buttons are more accessible for users with disabilities
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Q1. How do you optimize a SQL procedure with 5000 lines in code?
Ans. 
Optimize a SQL procedure with 5000 lines of code by identifying bottlenecks and implementing performance improvements.
• Identify and analyze the most time-consuming parts of the procedure

• Optimize queries by adding appropriate indexes, rewriting queries, or using query hints

• Break down the procedure into smaller, more manageable parts

• Use temporary tables or table variables to reduce the amount of data processed at once

• Cons...read more
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Q2. Keep SQL procedures short, use multiple small procedure with specific functionality being used, avoid use of temp tables and Joins, use select statements wisely. do not use sub queries, do not use dynamic ...read more
Ans. 
To optimize SQL procedures, keep them short, use small procedures with specific functionality, avoid temp tables and joins, use select statements wisely, avoid subqueries and dynamic SQL.
• Break down complex procedures into smaller ones with specific functionality

• Avoid using temporary tables and joins whenever possible

• Use select statements wisely to retrieve only the necessary data

• Avoid subqueries and find alternative ap...read more
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Q1. React hooks, Explain using code
Ans. 
React hooks are functions that let you use state and other React features without writing a class.
• Hooks are functions that let you use state and other React features in functional components

• useState() is a hook that allows you to add state to functional components

• useEffect() is a hook that allows you to perform side effects in functional components

• useContext() is a hook that allows you to use the context API in functio
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Q2. Factory Patterns?
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Q3. Liskov Substitution Principle
Ans. 
Liskov Substitution Principle states that objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.
• Subtypes must be substitutable for their base types.

• Derived classes must be able to replace their base classes without affecting the program's behavior.

• Violating this principle can lead to unexpected behavior and errors in the code.

• Example: If a program expec...read more
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Q4. Oops Concept and give examples
Ans. 
Oops concept is a programming paradigm that focuses on objects and classes.
• Oops stands for Object-Oriented Programming

• Key concepts include inheritance, encapsulation, polymorphism, and abstraction

• Examples: Class Car with properties like make, model, and methods like start(), stop()

• Example: Inheritance - Class SUV extends Car and adds property numSeats
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Q5. JQuery - Ajax mechanisms
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Q6. Docker and Kubernetes - Azure concepts
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Q1. Core Java and Spring Boot Questions.
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Q1. What is call,bind,apply
Ans. 
call, bind, and apply are methods used to manipulate the value of 'this' in JavaScript functions.
• Call invokes a function with a specified 'this' value and arguments provided individually.

• Bind creates a new function that, when called, has its 'this' keyword set to the provided value.

• Apply invokes a function with a specified 'this' value and arguments provided as an array.

• All three methods are used to control the value o...read more
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Q1. Explain about angular,nodejs,expressjs
Ans. 
Angular is a front-end framework, Node.js is a back-end runtime environment, and Express.js is a web application framework for Node.js.
• Angular is used for building dynamic single-page applications (SPAs) with HTML, CSS, and TypeScript.

• Node.js is used for building scalable network applications and is based on the V8 JavaScript engine.

• Express.js is a minimal and flexible Node.js web application framework that provides a ...read more
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Q1. About Ge healthcare ,culture,salary
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Q1. More about ge healthcare
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Two Easy questions to be solved

Q1. Some Technical based questions
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Q2. It was amazing . Interviewer asked me to code for heap sort and asked me to explain.
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Q3. Write a code for heap sort algorithm and explain it?
Ans. 
Heap sort is a comparison-based sorting algorithm that uses a binary heap data structure.
• Heap sort works by building a binary heap from the array and then repeatedly extracting the maximum element and placing it at the end of the array.

• The heap is maintained as a complete binary tree, where each parent node is greater than or equal to its children.

• The time complexity of heap sort is O(n log n) and it is an in-place sor...read more
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Q1. Java 8, 11 features with practical questions and coding.
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Q2. Springboot, spring security, spring cloud, actuators
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Q1. Data structures and algorithms
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Q2. Java 8, 11 features with coding assignment
Ans. 
Java 8 and 11 introduced several new features and improvements to the language.
• Java 8 introduced lambda expressions, functional interfaces, streams, and default methods.

• Java 11 introduced local variable syntax for lambda parameters, HTTP client API, and new string methods.

• Example of Java 8 lambda expression: (x, y) -> x + y

• Example of Java 11 HTTP client API: HttpClient client = HttpClient.newHttpClient();
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Q3. Springboot related questions and coding
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Q1. Screen shared and asked me to write some code and asked to improvise the same there..
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Q1. Coding questions mostly , followed by AWS
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Q1. Mangers were technically sound and so in general discussions, they are assessing the candidates
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Q1. Tell me about yourself
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Q2. You are perfect fit and you are hires
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