Intellect Design Arena Software Engineer Interview Questions, Process, and Tips

Q1. N queens problem in java
Ans. 
The N queens problem is a classic problem of placing N chess queens on an N×N chessboard so that no two queens attack each other.
• Create a recursive function to place queens on the board one by one, checking if the current placement is safe

• Use backtracking to backtrack and try different placements if a conflict is found

• Keep track of the valid solutions and return them at the end
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Q2. Spiral matrix code in java
Ans. 
Spiral matrix code in Java
• Create a 2D array to represent the matrix

• Use variables to keep track of current position and direction

• Iterate through the matrix in a spiral pattern
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Apti test based on java

Q1. Interviewer asked questions based on core Java, oops , collection
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Q2. Question based on Oops concept
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Q3. Collection related questions mainly on map , hashmap
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Q1. Work policies, salary and designation discussion
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Totally 14 aptitude questions asked and 3 coding questions

General topic given, they checked how we communicate and grammer.

Q1. Full of java questions, 2 programs given and asked to code in java only, 1 sql question.
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Q2. Reverse a string
Ans. 
Reverse a given string
• Create an empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string
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Q3. Hashing in java
Ans. 
Hashing in Java is a technique used to convert a key into a unique value, allowing for efficient data retrieval.
• Hashing is used to map data to a fixed-size value, typically for faster retrieval in data structures like HashMaps.

• In Java, the hashCode() method is used to generate a hash value for an object.

• Collisions can occur when two different keys produce the same hash value, which can be resolved using techniques like
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Q1. Questions Regarding Project
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Q2. Explain Your Project
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