Sumo Digital Interview Questions and Answers

Q1. What is bug in any application?
Ans. 
A bug in an application is an error, flaw, failure, or fault in the software code that causes it to produce incorrect or unexpected results.
• Bugs can range from simple syntax errors to complex logic issues.

• Common types of bugs include logic errors, syntax errors, and runtime errors.

• Examples of bugs include a calculator app displaying incorrect results, a website crashing when a specific button is clicked, or a game free
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Q1. What is the life cycle of bug?
Ans. 
Bug life cycle includes identification, reporting, fixing, retesting, and closing.
• Identification: Bug is identified by testers during testing.

• Reporting: Testers report the bug to developers.

• Fixing: Developers fix the bug in the code.

• Retesting: Testers retest the fixed bug to ensure it is resolved.

• Closing: Once bug is confirmed fixed, it is closed.
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Q1. Why team bonding is needed for healthy work culture?
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1 hour, 22 questions related to Java Spring Boot, SQL, and Hibernate, also one DSA Question, implementation of a card board game.

Aptitude questions were pretty easy like on speed etc

Coding questions were also easy like patterns code, reverse string just basics

Basic aptitude only think out of box

Q1. Static and final difference
Ans. 
Static variables belong to the class itself, while final variables cannot be changed after initialization.
• Static variables are shared among all instances of a class

• Final variables cannot be reassigned once initialized

• Static variables are initialized only once at the start of the program

• Final variables must be initialized when declared
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Q2. Patterns problem
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Q1. Tell me about your self?
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Q2. Checking english fluency
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10 reasoning questions and 3 coding questions

Q1. Wap for factorial with recurrsion
Ans. 
Factorial calculation using recursion in a programming language
• Define a function that takes an integer as input

• Base case: if input is 0, return 1

• Recursive case: return input multiplied by factorial of input-1

• Example: factorial(5) = 5 * factorial(4) = 5 * 4 * factorial(3) = ... = 5 * 4 * 3 * 2 * 1 = 120
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Q2. Opps and basic core Java questions
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Simple logic and maths based questions along with coding round

Q1. Questions on string literals
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Q2. Array vs arraylist
Ans. 
Arrays are fixed in size, while ArrayLists can dynamically resize. Arrays are faster for accessing elements, while ArrayLists offer more flexibility.
• Arrays have a fixed size, while ArrayLists can dynamically resize.

• Arrays are faster for accessing elements, while ArrayLists offer more flexibility in terms of adding, removing, and manipulating elements.

• Example: String[] namesArray = new String[5]; ArrayList namesList = n
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Q1. My strength and weaknesses
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Q2. Past work experiences if any
Ans. 
I have worked as a software developer for 3 years at XYZ company.
• Developed web applications using Java, Spring, and AngularJS

• Collaborated with team members to design and implement new features

• Participated in code reviews and testing processes

• Resolved technical issues and provided support to end users
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