Salesforce Mts Software Engineer Interview Questions, Process, and Tips

Technical round- Hackerank Problem

Q1. Coding medium and easy problems for Leetcode,
Add your answer
Q2. More of a scenario based questions like whatyou will do if you have a confict with your developer
Add your answer
Q3. How will you lead your team
Add your answer

Q1. Java, API, Testing related, Selenium, Scenario based question
Add your answer

Two medium level question in 75 minutes

Q1. Return k most frequent string from an array of strings
Ans. 
Return k most frequent strings from an array of strings
• Use a hashmap to store the frequency of each string in the array

• Sort the hashmap by frequency in descending order

• Return the first k keys from the sorted hashmap
Answered by AI
Add your answer

Q1. What is java and how to slove concurrency error
Ans. 
Java is a popular programming language used for developing various applications. Concurrency errors occur when multiple threads access shared resources simultaneously.
• Java is a high-level, object-oriented programming language known for its platform independence.

• Concurrency errors in Java can be solved using synchronization mechanisms like synchronized blocks, locks, and atomic variables.

• Examples of solving concurrency ...read more
Answered by AI
Add your answer
Q2. What is null pointer exception
Ans. 
A null pointer exception occurs when a program tries to access a memory address that is null or invalid.
• Occurs in programming languages like Java when trying to access an object or variable that is null

• Can be caused by not properly initializing a variable before using it

• Example: int[] arr = null; int x = arr.length; // This will throw a null pointer exception
Answered by AI
Add your answer

Medium leet code data structures and algorithms

Q1. Word break 3 leet code
Add your answer
Q2. Persistent in memory key value store optimized for write heavy workloads(use: sstables,compaction )
Ans. 
Apache Cassandra is a persistent in-memory key-value store optimized for write-heavy workloads using SSTables and compaction.
• Apache Cassandra is a popular choice for write-heavy workloads due to its distributed architecture and support for SSTables.

• SSTables (Sorted String Tables) are used to store data on disk in a sorted manner, allowing for efficient read and write operations.

• Compaction in Apache Cassandra helps to m...read more
Answered by AI
Add your answer