Star Knowledge Technology Alliance Software Developer Trainee Interview Questions and Answers

Q1. 3 short programming questions(can solve in any language, just need to complete the missing code)
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Q2. Aptitude and technical mcqs
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Long programming round in the Chennai office - 3 hours.
use case scenario will be provided: need to sketch any diagrams like uml/class/ER diagrams but not flow chart.

45 min for diagram and presentation to Pannel(each Pannel: 10 students with 1-3 Pannel members) once your presentation and modifications are approved. van proceed with programming(implementation of the use case).

Q1. 30- 45 min of technical 1 Each Pannel consist of 2 to3 interviewers.
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Q2. Questions from resume(projects,skillsets) solving problems with low time complexity possible
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Q3. Database(sql Querys) Indepth Opps questions(with implementation)
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Q1. Technical 2 DSA(data structures like linked list, trees) projects evaluating skills few os and cn questions
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Medium leetcode question on array list

Q1. Core java and collections, exceptions and threading
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Q2. Core java collections
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Q3. Multi threading
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Q4. Executor framework
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Q1. Threading related questions
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There were three coding questions.

Q1. Could you provide a thorough explanation of the project?
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Q2. OOps Concepts and question from the technical subjects
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Q3. Why Spring Boot
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Q4. JWT Authentication
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Q5. Docker and Kubernetes
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Test was for Web Development - React
75min test
3 Questions
1 Coding Question
2 Scenario based questions

Q1. React Optimization techniques
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Q2. React Advantages
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Q1. How to debug in production environment?
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Q1. Challenges faced during work and how you overcome?
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Q1. Why you choose Wells fargo over other offers?
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Q1. They grind u in javascript,typescript
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Q2. Html css, angular
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Q3. Deep preparation needed
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Q1. Project Architecture
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Q1. Informatica tech questions
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Q1. What is the difference between normal and arrow functions
Ans. 
Arrow functions are more concise and have a lexical 'this' binding compared to normal functions.
• Arrow functions do not have their own 'this' keyword, they inherit it from the parent scope.

• Arrow functions do not have their own 'arguments' object.

• Arrow functions cannot be used as constructors with 'new'.

• Arrow functions are more concise and have implicit return when no curly braces are used.
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Q2. All basic JS Questions to cover Hoisting closure
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Q3. They asked to show me an example using the API call
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Q4. Difference between forEach and Map
Ans. 
forEach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• forEach does not return a new array, while map does

• forEach does not modify the original array, while map creates a new array

• forEach is used for side effects, while map is used for transformation

• Example: forEach - array.forEach(item => console.log(item)), map - const newAr
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