Mediaocean Softwaretest Engineer Interview Questions and Answers for Experienced

Basic OOP questions for python programming language

Q1. What's abstraction
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Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
• Abstraction allows users to focus on what an object does instead of how it does it

• It helps in reducing complexity and improving efficiency in software development

• Example: In object-oriented programming, abstract classes and interfaces are used to achieve abstraction
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Q2. What's the difference between SQL and NoSQL database
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SQL databases are relational databases with structured data, while NoSQL databases are non-relational databases with flexible, unstructured data.
• SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.

• SQL databases are table-based, with a predefined schema, while NoSQL databases are document, key-value, wide-column, or graph-based.

• SQL d...read more
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Q1. Reverse a linked list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, prev, and next

• Iterate through the linked list, updating pointers to reverse the direction

• Update the head of the linked list to the last node after reversing
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Q2. Implement binary search algorithm
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Binary search algorithm efficiently finds the target value in a sorted array.
• Start by defining the low and high indices of the array.

• Calculate the mid index and compare the target value with the value at mid.

• If target is less than mid value, update high to mid-1; if greater, update low to mid+1.

• Repeat until target is found or low is greater than high.
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Q1. Brief Introduction and basic questions
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Q2. Future plans and how am i going to achieve them
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Q1. Why should we hire you?
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Q2. Why are you looking for a change?
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Q3. Where do you see yourself in 5 years?
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Q4. What are your strengths and weaknesses?
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Q1. About yourself, selenium waits, failures u faced,
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Q2. == and. equals() difference
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The difference between == and .equals() in Java
• The == operator checks if two objects reference the same memory location

• The .equals() method checks if two objects have the same content

• For primitive data types, == compares values while .equals() is not applicable

• For objects, == compares memory addresses while .equals() compares content

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == ...read more
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Find 2 nd highest number

Q1. Basic java and selenium interview questions
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Mostly question regarding projects in resume

5 coding questions you have to complete atleast 4

Q1. About yourself and technology related questions ,it can 1 or 1 and half an hour round
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Basic aptitude questions

Q1. Center div using 3 approaches
Ans. 
Three approaches to center a div element
• Using CSS flexbox: set display property of parent element to flex and justify-content to center

• Using CSS grid: set display property of parent element to grid and place the div in the center grid area

• Using margin: set margin property of the div to auto
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Q2. Display use of setTimeout
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setTimeout is a function in JavaScript used to execute a function after a specified amount of time.
• setTimeout(function, milliseconds) is used to delay the execution of a function by a specified number of milliseconds.

• Example: setTimeout(() => { console.log('Hello, world!'); }, 2000) will log 'Hello, world!' after 2 seconds.
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Asked me to create a carousel component

First round was coding test conducted by their IDE where you can program in any language like on hackerrank IDE . 5 question were asked from easy to hard

Q1. They ask me about my though on social media
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Q2. They give me a situation to handle the work load
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Q1. Difference between stack and heap ?
Ans. 
Stack is used for static memory allocation and stores local variables, while heap is used for dynamic memory allocation and stores objects.
• Stack memory is allocated in a contiguous block and is faster to access compared to heap memory.

• Variables stored on the stack have limited scope and lifetime, while objects on the heap can persist beyond the scope of the function.

• Stack memory is managed by the compiler, while heap m...read more
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Q2. Difference between complier and interpreter ?
Ans. 
Compiler translates entire code into machine code before execution, while interpreter translates code line by line during execution.
• Compiler translates entire code into machine code before execution

• Interpreter translates code line by line during execution

• Compiler generates error messages after scanning entire code

• Interpreter stops at first error encountered

• Examples: C, C++ use compilers; Python, Ruby use interpreters
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Q1. My introduction
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Q2. I can i mange to work proficiency
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