Pole To Win Software Developer Interview Questions and Answers

Q1. 2 DSA questions was asked and Java Questions
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Q1. Questions on Kafka, Scalability
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Q1. Questions releated to past projects and Cassandra
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Round duration - 90 Minutes
Round difficulty - Medium

The first round was scheduled in the evening time.
First of all interviewer introduced himself and after my introduction 
He directly shoot first DSA question. The question was easy but conceptual. I have solved some question with same concept and he ask me to share the screen and code in online compiler. Finally I was able to get correct output with all the use cases and I was like "Half work done!"
Then he asked me very core concepts of JavaScript along with that Some Output based questions.
Then finally he asked me theory questions on React along with my experience in React. 
The interviewer was very helpful as well as polite. I don't think if he will not help me during interview I could crack the interview

Q1. 
Is the Sentence a Pangram?
Ninja is relocating to a place called NinjaGram, and for school admission, he is required to identify if a given sentence is a pangram. Your task is to assist Ninja in determini...read more
Ans. 
Yes, the sentence is a pangram if it includes every letter of the English alphabet at least once.
• Check if the sentence contains all 26 letters of the English alphabet.

• Convert the sentence to lowercase to simplify the checking process.

• Use a set to keep track of the letters present in the sentence.

• Iterate through the sentence and add each unique letter to the set.

• After iterating, check if the set contains all 26 letters.
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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
Ans. 
Assessing English fluency involves evaluating speaking, writing, and comprehension skills in various contexts.
• Listening: Understand spoken English in conversations, lectures, or media. Example: Comprehending a podcast.

• Speaking: Articulate thoughts clearly and confidently. Example: Engaging in a discussion without hesitation.

• Reading: Interpret written texts accurately. Example: Analyzing a news article for main ideas.

• Wr...read more
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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
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Q1. My strength and weaknesses
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Q2. Past work experiences if any
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I was given 10 logical questions to solve on a portal with 30min timer.

Most question were printing of patterns, fibonacci, prime no., palindrome etc.
out of 10 questions atleast 8 has to be right to qualify.

Q1. This round is conducted by senior developer, where they ask some logical coding questions to solve on paper.
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Q2. Some complex pattern questions.
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Q1. This is the round with CEO who again ask for some logical question & verbal answering. All they wanna se is how you approach towards problems.
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Q1. Salary negotiation only if you clear the one-on-one CEO round.
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3 coding questions and 10 logical reasoning questions

Play a game on tablet which consists of coding questions