Upland Software Software Engineer Level 1 Interview Questions and Answers

It was a coding round interview along with interviewer via Virtual mode. I was given 2 coding questions on HackerRank for the interview:

1. one was an easy problem on counting minimum replacements.
2. "pat is an ordinary kid who works hard to be a great runner...." this was a challenging problem (which I managed to solve).
3. I was asked some basic Python questions, as the role was for a Python Developer.

Q1. LLD for Parking Lot
Add your answer
Q2. Which database are you going to use for Parking lot and Why ?
Ans. 
I would use a relational database like MySQL for the Parking lot as it provides structured data storage and supports complex queries.
• Relational databases like MySQL offer structured data storage for parking lot information

• Supports complex queries for managing parking lot data efficiently

• Ability to handle large amounts of data and transactions

• Provides data integrity and security features

• Can easily integrate with other s
Answered by AI
Add your answer
Q3. Questions related to OOPs
Add your answer
Q4. Questions related to Multi Threading
Add your answer
Q5. Questions related to Projects
Add your answer

Q1. I hate this since i was informed that this round was a technical.
Add your answer
Q2. Usual Mangerial questions, Project Related, etc
Add your answer

30min duration simple questions

Basic array 2 coding questions

Q1. Introduce yorself
Add your answer
Q2. Explain about final year project
Add your answer
Q3. Github link for project
Add your answer
Q4. What is oops in java
Add your answer
Q5. What is polymorphism explain with examples
Add your answer

Q1. Difference between hashset and hashtable
Ans. 
HashSet is an unordered collection of unique elements, while Hashtable is a synchronized collection of key/value pairs.
• HashSet does not allow duplicate elements, while Hashtable does not allow duplicate keys.

• HashSet does not maintain insertion order, while Hashtable does not guarantee any order.

• HashSet allows null values, while Hashtable does not allow null keys or values.
Answered by AI
Add your answer
Q2. Collection vs Collections
Ans. 
Collection is an interface in Java that represents a group of objects, while Collections is a utility class that contains static methods for operating on collections.
• Collection is an interface in Java that represents a group of objects.

• Collections is a utility class in Java that contains static methods for operating on collections.

• Example: List list = new ArrayList<>(); Collection collection = list;

• Example: Collections
Answered by AI
Add your answer

Q1. SQL query related questions
Add your answer
Q2. Write a Java program to find the duplicate in Array
Ans. 
Java program to find duplicates in an array of strings
• Create a HashSet to store unique elements

• Iterate through the array and check if element is already in the HashSet

• If element is already in the HashSet, it is a duplicate
Answered by AI
Add your answer

In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank

Q1. DSA QUESTION LIKE TREE AND GRAPH
Add your answer
Q2. DP AND SORTING APPROACH
Add your answer

Again same but dsa question and oops concept in deep level

2medium level questions

Q1. Project discussion for 30 mins
Add your answer
Q2. Dsa problem medium level
Add your answer

Q1. Collections framework, Explain why you chose a particular collection instead of other with example scenario based
Add your answer
Q2. Explain your project
Ans. 
Developed a web application for online shopping with features like user authentication, product search, and order management.
• Implemented user authentication using Spring Security

• Utilized Hibernate for database operations

• Designed front-end using AngularJS for dynamic user interface
Answered by AI
Add your answer

Q1. Questions on Oops concepts
Add your answer
Q2. Questions on design patterns
Add your answer

Given one at home assignment to create a lwc component

Q1. How to have different pricing based on regions
Ans. 
Different pricing based on regions can be achieved by using price rules and custom fields in Salesforce.
• Create custom fields to store region information for each account or opportunity

• Use price rules to set different prices based on the region

• Utilize workflow rules or process builder to automate the pricing based on region

• Consider using custom metadata types for easier maintenance and scalability
Answered by AI
Add your answer
Q2. Parent to child relation in lwc
Ans. 
Parent to child relation in LWC refers to the relationship between a parent component and its child components in Lightning Web Components.
• Use @api decorator in child component to expose properties to parent component

• Use @track decorator in parent component to track changes in child components

• Communicate between parent and child components using events or properties
Answered by AI
Add your answer