Websoftex Software Solutions UI Developer Interview Questions and Answers

Q1. What Prototype in JS What is closure in JS What Recursive functions What Constructor functions What hoisting in js Diff btw var,let, const Find the no of occurance of text in string Find the duplicate cou...read more
Ans. 
Prototype in JS refers to the mechanism by which objects in JavaScript inherit properties and methods from other objects.
• Prototype chain allows objects to inherit properties and methods from other objects

• Prototype-based inheritance is a key feature of JavaScript

• Example: Creating a new object using a constructor function and adding methods to its prototype
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Uging tag , elements, div, selector, flex box etc

Q1. Html, CSS, JavaScript, bootstrap
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Q2. Good knowledge for html CS
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Q3. Bootstrap using responsible website
Ans. 
Bootstrap is a front-end framework that helps in creating responsive websites by using a grid system and predefined classes.
• Bootstrap provides a grid system with 12 columns that automatically adjusts based on screen size.

• It includes responsive utility classes like 'd-none' and 'd-md-block' to show/hide content based on screen size.

• Bootstrap also offers responsive navigation components like the navbar that collapses int...read more
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Q4. Anything else any more times
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Basic maths questions select answer from four question

Tge interview held on call basic

Figma then convert it into html

Q1. What are the basic concepts of UI/UX design and development?
Ans. 
UI/UX design focuses on enhancing user satisfaction through effective design and usability principles.
• User-Centered Design: Prioritizing user needs and preferences in the design process. Example: Conducting user interviews.

• Usability: Ensuring the product is easy to use. Example: Simplifying navigation in a mobile app.

• Accessibility: Designing for users with disabilities. Example: Using alt text for images.

• Visual Hierarc...read more
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Q2. Could you provide a brief overview of your previous company roles, responsibilities, and the details of the projects you have worked on?
Ans. 
I have worked as a UI Developer focusing on responsive design, user experience, and collaboration with cross-functional teams.
• Developed user interfaces for web applications using HTML, CSS, and JavaScript frameworks like React and Angular.

• Collaborated with UX designers to create wireframes and prototypes, ensuring a seamless user experience.

• Implemented responsive design principles to ensure applications are mobile-frie...read more
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General apptitude test

Based on project and dsa

Round duration - 60 minutes
Round difficulty - Medium

Q1. 
Find All Anagrams Problem Statement
Given a string STR and a non-empty string PTR, identify all the starting indices of anagrams of PTR within STR.
Explanation:
An anagram of a string is another string ...read more
Ans. 
Given a string STR and a non-empty string PTR, find all starting indices of anagrams of PTR within STR.
• Create a frequency map of characters in PTR.

• Use sliding window technique to check anagrams in STR.

• Return the starting indices of anagrams found.
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Q2. 
Subset Sum Problem Statement
Given an array of integers, find the sum of all subsets in non-decreasing order of the given array.
Example:
Input:
N = 3, array = [1, 2]
Output:
[0, 1, 2, 3]
Explanatio...read more
Ans. 
Find sum of all subsets in non-decreasing order of given array.
• Use recursion to generate all subsets of the array

• Calculate sum of each subset and store in a list

• Sort the list in non-decreasing order to get the final result
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Round duration - 60 minutes
Round difficulty - Medium

First he asked me to tell about myself, then he asked me some OOPS Concepts,difference in shallow copy and deep copy,
asked me to write a code for boundary traversal of binary tree.

Q1. 
Boundary Traversal of Binary Tree Problem Statement
Given a binary tree consisting of integers, your task is to provide the boundary nodes of this tree in an anti-clockwise direction, starting with the ro...read more
Ans. 
Boundary traversal of a binary tree to find left boundary, right boundary, and leaf nodes in an anti-clockwise direction.
• Perform a pre-order traversal to get the left boundary nodes

• Perform an in-order traversal to get the leaf nodes

• Perform a post-order traversal to get the right boundary nodes

• Combine the results to get the boundary nodes in anti-clockwise direction
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Round duration - 60 minutes
Round difficulty - Easy

The second tech interview lasted for about an hour and half. First he asked me to tell about myself. Then he asked me how my first interview was. He then asked me where should I start, data structures, databases, to which I replied anywhere.
He started asking questions about C. He asked difference between call by pointer and call by reference. Whether a function can be defined as
void function(int &x, int &y);
Then he asked what is volatile data type in C. Then about the static data class.
He also asked me to write a program to find length of a string.
Then he asked about how functions in C work. How does the program know where to go back after a function is over, etc.
He then asked me if I knew C++, I said no. So he continued to ask a few questions on data structures.
He then asked about the ACID properties which a good database must have. He asked how are transactions managed by a database, what are commits, how, in case of a power failure, data is reverted back, etc.
Then he asked me whether I like to work individually or in a team. I said in a team. He then gave me scenario where I have to decide between a project I am working on, whose deadline is approaching, and helping a friend working on another project whose deadline is also approaching, and asked me what would I do in such a case.

Q1. 
Find the Middle of a Linked List
This problem requires you to return a pointer that references the middle node of a singly linked list.
Explanation:
If the number of elements in the linked list is odd, ...read more
Ans. 
Return the middle node of a singly linked list, considering odd and even number of elements.
• Traverse the linked list with two pointers, one moving twice as fast as the other

• When the fast pointer reaches the end, the slow pointer will be at the middle

• Return the node pointed to by the slow pointer as the middle node
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Easy question, maximum question on average, ages, pie chart,flow chart of coding, English comprehension, situation based question.