Think Future Technologies Interview Questions and Answers

Negative scenarios of pen include ink leakage, broken tip, running out of ink, smudging, and losing cap.

• Ink leakage can ruin documents or clothing

• Broken tip can make writing difficult

• Running out of ink can be frustrating in the middle of an important task

• Smudging can make writing illegible

• Losing cap can cause ink to dry out

CRUD commands in API refer to Create, Read, Update, and Delete operations for interacting with data.

• Create - POST request to add new data

• Read - GET request to retrieve data

• Update - PUT or PATCH request to modify existing data

• Delete - DELETE request to remove data

The second largest number in an array of strings

• Convert the array of strings to an array of integers

• Sort the array in descending order

• Return the second element in the sorted array

Max sum subarray problem involves finding the subarray with the largest sum within an array.

• Iterate through the array and keep track of the current sum and maximum sum seen so far.

• If the current sum becomes negative, reset it to 0 as it won't contribute to the maximum sum.

• Return the maximum sum found.

• Example: For array [-2, 1, -3, 4, -1, 2, 1, -5, 4], the max sum subarray is [4, -1, 2, 1] with sum 6.

ETL and Data Testers are responsible for testing the Extract, Transform, Load process and ensuring data quality and integrity.

• Develop and execute test cases for ETL processes to ensure data accuracy and completeness

• Identify and troubleshoot data quality issues and work with developers to resolve them

• Validate data transformations and mappings to ensure they meet business requirements

• Perform regression testing to en...read more

Lazy loading delays loading of related data until it is specifically requested, while eager loading loads all related data upfront. N+1 problem occurs when lazy loading results in multiple additional queries being made.

• Lazy loading is used to improve performance by only loading related data when needed

• Eager loading loads all related data upfront to reduce the number of queries made

• N+1 problem occurs in lazy loadin...read more