KJ System UI Developer Interview Questions and Answers

Q1. Basic OOPs concept and coding
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Q1. Basic DSA question
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Q2. 1 mySql query to fetch records
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Q3. Design patterns
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Q1. Which data structure is used to reverse an array?
Ans. 
The data structure used to reverse an array is a stack.
• A stack data structure can be used to reverse an array by pushing each element onto the stack and then popping them off in reverse order.

• Example: If we have an array of strings ['apple', 'banana', 'cherry'], we can reverse it using a stack to get ['cherry', 'banana', 'apple'].
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Coding is important three problems and mcqs of java and testing

Q1. Oops concepts were asked
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Q2. Java questions static jvm and all
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Q1. Debouncing in react
Ans. 
Debouncing in React is a technique used to limit the number of times a function is called in a specified time frame.
• Debouncing helps in improving performance by reducing unnecessary function calls.

• It is commonly used in scenarios like search bars where we want to wait for user to finish typing before making an API call.

• Example: Using lodash debounce function to delay API call until user stops typing.
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Q2. Throttling in react
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Throttling in React helps limit the number of times a function is called within a specified time frame.
• Throttling is used to improve performance by reducing the number of times a function is executed.

• It is commonly used in scenarios like handling scroll events or input changes.

• Example: Using lodash's throttle function to limit the rate of execution of a function.
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Basic in array and function and es6 concepts

Geomatry ,algebra ,train,

All people smile in my happy and etc .

Q1. Self introduction in my life
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Q2. My name is rajeshwari I am coming from kalugumalai currently I am staying in Chennai I completed in bsc computer science i family background is good
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Q3. Ambition my ambition is IT company recruitment
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Q4. Code full details tell me about
Ans. 
Code full details refer to providing a comprehensive explanation of a piece of code.
• Code full details involve explaining the purpose, functionality, and implementation of a specific code snippet.

• It includes discussing the variables, functions, logic, and overall structure of the code.

• Providing examples of input/output and expected behavior can help in explaining code full details.
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Q5. I am studying in web developement
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Q6. Work experience Mill work Forest work Marketing Online business
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Q1. Match box Mill work Forest work
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DSA, arrays, Graphs 3 rounds duration 1hr with mcqs

Advanced Graphs 2 questions mcqs 1hr

Q1. Java script and SQL
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Data structures and algorithms. can do in c++ or many other languages.

Q1. From gfg, simple array question. 3/5 difficultly.
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Q2. Based on resume. Discussion around that.
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