TransImpact Interview Questions, Process, and Tips

The behavior of the equal method in an overridden method will change.

• When the equal method is incremented in an overridden method, the comparison logic will be different from the parent class.

• This can lead to unexpected behavior if not implemented correctly.

• Make sure to thoroughly test the new equal method to ensure it functions as intended.

Index in SQL is a data structure that improves the speed of data retrieval operations on a database table.

• Indexes are created on columns in a database table to quickly retrieve data based on the values in those columns.

• They can be unique or non-unique, clustered or non-clustered.

• Examples of indexes include primary keys, foreign keys, and indexes created for frequently searched columns.

Encapsulation, Inheritance, and Polymorphism are the OOP concepts used in POM.

• Encapsulation: Encapsulating web elements and their related methods in page classes

• Inheritance: Extending base page class to create specific page classes

• Polymorphism: Using method overriding in page classes

Array is a fixed-size data structure while ArrayList is a dynamic-size data structure in Java.

• Array is a static data structure with a fixed size, while ArrayList is a dynamic data structure that can grow or shrink in size.

• Arrays can hold primitive data types and objects, while ArrayList can only hold objects.

• Arrays are faster than ArrayList for accessing elements, but ArrayList is more flexible and easier to work with.

Dynamic means constantly changing or active.

• Constantly changing or evolving

• Active or lively

• Responsive to input or stimuli

• Opposite of static or fixed

• Examples: Dynamic websites that update in real-time, dynamic pricing in e-commerce

Merge two sorted arrays a and b into a single sorted array

• Create a new array to store the merged result

• Use two pointers to iterate through arrays a and b, comparing elements and adding the smaller one to the result array

• Handle cases where one array is longer than the other by appending the remaining elements to the result array