UKG Software Engineer Interview Questions, Process, and Tips

The coding test consists of multiple-choice questions and one medium-hard level coding question.

Q1. Given three jugs with different capacities and no measuring tools, how can you measure out a specific amount of water using the jugs you have?
Add your answer
Q2. What is the angle between the minute and hour hand of a clock at 3:45?
Ans. 
The angle between the minute and hour hand of a clock at 3:45 is 157.5 degrees.
• Calculate the angle formed by the hour hand from 12 o'clock position to 3:45 position (135 degrees)

• Calculate the angle formed by the minute hand from 12 o'clock position to 3:45 position (22.5 degrees)

• Subtract the smaller angle from the larger angle to get the angle between the two hands (157.5 degrees)
Answered by AI
Add your answer
Q3. What is indexing in Database Management Systems (DBMS)?
Ans. 
Indexing in DBMS is a technique used to improve the performance of queries by allowing faster retrieval of data.
• Indexes are data structures that store a small portion of the data set in an easily searchable format.

• They help in speeding up the data retrieval process by reducing the number of disk accesses needed.

• Indexes can be created on one or more columns of a table to improve the performance of SELECT queries.

• Example...read more
Answered by AI
Add your answer
Q4. What is the lifecycle of a React component?
Ans. 
The lifecycle of a React component includes mounting, updating, and unmounting phases.
• Mounting phase: constructor, render, componentDidMount

• Updating phase: shouldComponentUpdate, render, componentDidUpdate

• Unmounting phase: componentWillUnmount
Answered by AI
Add your answer
Q5. How you delete entry in mongodb database
Ans. 
To delete an entry in MongoDB database, you can use the deleteOne() or deleteMany() methods.
• Use deleteOne() method to delete a single document based on a specific condition

• Use deleteMany() method to delete multiple documents based on a specific condition

• Make sure to specify the filter criteria to accurately delete the desired entry
Answered by AI
Add your answer

3 questions were there

Q1. Basic questions
Add your answer
Q2. Os, dbms, core concept of cs
Add your answer

Q1. Core concept of cs
Ans. 
Core concept of computer science is the study of algorithms and data structures.
• Algorithms are step-by-step procedures for solving problems.

• Data structures are ways to organize and store data efficiently.

• Examples include sorting algorithms like bubble sort and data structures like arrays and linked lists.
Answered by AI
Add your answer

A dsa question is asked in exam

Q1. What are pillars of Oops?
Ans. 
The pillars of Oops are Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data from outside interference.

• Polymorphism allows objects to be treated as instances of their parent class, enabling flexibility in code.

• Abstraction hides the complex impleme...read more
Answered by AI
Add your answer
Q2. Given an array, print k number of most repeating integers
Ans. 
Print k most repeating integers from an array
• Create a hashmap to store the frequency of each integer in the array

• Sort the hashmap based on frequency in descending order

• Print the first k keys from the sorted hashmap
Answered by AI
Add your answer

Q1. Reverse the individual strings from big string with spaces
Add your answer
Q2. Find duplicate from array
Add your answer