Publicis Sapient Associate L2 Interview Questions and Answers

MCQ questions on design pattern ,core java ,sql ,spring ,hibernate

Q1. JVM internal working
Add your answer
Q2. Coding question to find next greatest number
Ans. 
Coding question to find next greatest number
• Iterate from right to left and find the first digit that is smaller than the digit next to it

• Swap this digit with the smallest digit on its right side that is greater than it

• Sort the digits to the right of the swapped digit in ascending order

• If no such digit exists, return the input number as it is
Answered by AI
Add your answer
Q3. Hash map internal working
Ans. 
Hash map is a data structure that stores key-value pairs and uses hashing to quickly retrieve values.
• Hash map uses a hash function to map keys to indices in an array.

• Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.

• Retrieving a value from a hash map involves computing the hash of the key and accessing the corresponding index in the ar...read more
Answered by AI
Add your answer