JPM Group Application Developer Interview Questions and Answers

The words in a string can be arranged based on their order of occurrence.

• Split the string into an array of words

• Create a dictionary to store the count of each word

• Sort the array based on the count of each word

• Join the sorted array back into a string

Inner join returns only the matching records from both tables, while outer join returns all records from both tables.

• Inner join combines rows from two tables based on a related column.

• Outer join combines rows from two tables, including unmatched rows.

• Inner join returns only the matching records from both tables.

• Outer join returns all records from both tables, filling in NULL values for unmatched rows.

• Example: Inner joi...read more

Quality testing is performed to ensure that software meets the required standards and functions correctly.

• Quality testing involves various techniques such as functional testing, performance testing, security testing, and usability testing.

• Functional testing checks if the software meets the specified requirements.

• Performance testing evaluates the software's speed, scalability, and stability under different conditions.

• Se...read more