GE Healthcare Senior Software Engineer Interview Questions and Answers

Q1. Basic C# and oops questions , mostly on inheritance , abstraction ,encapsulation , properties
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Q2. Coding questions related to strings finding longest substring without repeating characters , find the count of vowels in string with using dictionary kr hash ( used ascii value approach)
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Q1. Mostly on project .
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Q2. Was asked about design patterns , had to create a design for a simple . How would I structure all the folders classes , interfaces logics etc .
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Q1. What is Incident, problem and change management?
Ans. 
Incident, problem, and change management are processes used in IT to handle unexpected events, identify root causes of issues, and implement modifications to systems.
• Incident management involves responding to and resolving unexpected events that disrupt normal operations, such as system crashes or network outages.

• Problem management focuses on identifying the root causes of recurring incidents to prevent them from happe...read more
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Q2. Different between Incident and problem?
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Incident is an unplanned event that disrupts normal operations, while a problem is the underlying cause of one or more incidents.
• Incident is a specific event that causes disruption, problem is the root cause of incidents

• Incidents are usually resolved quickly, problems require investigation and resolution to prevent future incidents

• Problems are often identified through recurring incidents
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Q1. What is the use of button when link can submit the form?
Ans. 
Buttons are used when an action needs to be performed, while links are used for navigation.
• Buttons are more suitable for actions like submitting a form, saving data, or triggering a function.

• Links are used to navigate to different pages or sections within a website.

• Buttons provide visual feedback when clicked, while links do not.

• Buttons can be styled and customized more easily than links.

• Buttons can have different stat
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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
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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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They ask you open Hacker Earth site and choose some random programs and ask you to complete it.

Q1. What is multi threading
Ans. 
Multi threading is the ability of a program to perform multiple tasks concurrently.
• It allows for better utilization of CPU resources

• It can improve program performance and responsiveness

• Examples include web servers handling multiple requests simultaneously and video games rendering graphics while processing user input
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Q2. What is extend keyword
Ans. 
The extend keyword is used to add properties and methods to an existing object.
• Used in JavaScript to add properties and methods to an object

• Can be used to inherit properties and methods from a parent object

• Syntax: Object.assign(target, ...sources)

• Example: const obj1 = {a: 1}; const obj2 = {b: 2}; const obj3 = {...obj1, ...obj2};
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Q3. Explain override. Why we need virtual?
Ans. 
Override is used to provide a new implementation of a method in a subclass. Virtual is needed to allow the method to be overridden.
• Override is used to change the behavior of a method in a subclass

• Virtual is used to allow the method to be overridden in a subclass

• Without virtual, a subclass cannot override a method from its parent class

• Override is used to implement polymorphism in object-oriented programming
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Q4. Write a program to sort the array and remove duplicates.
Ans. 
Program to sort and remove duplicates from an array.
• Use built-in sort() method to sort the array in ascending order.

• Loop through the sorted array and remove duplicates using filter() method.

• Return the sorted and duplicate-free array.
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Q5. What is Is Relationship and As Relationship in oops?
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Is Relationship and As Relationship are two types of relationships in object-oriented programming.
• Is Relationship is a type of relationship where one class is a subset of another class.

• As Relationship is a type of relationship where one class is a type of another class.

• Is Relationship is denoted by a solid line with a closed arrowhead pointing towards the superclass.

• As Relationship is denoted by a dotted line with an o...read more
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Q6. What are architectural, structural, behavioural design patterns? Why we need them?
Ans. 
Architectural, structural, and behavioral design patterns are reusable solutions to common software design problems.
• Architectural patterns define the overall structure of a software system

• Structural patterns describe how objects and classes can be combined to form larger structures

• Behavioral patterns focus on communication between objects and how they operate together

• Design patterns help to improve software quality, ma...read more
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