Informatica QA Engineer Interview Questions and Answers

To reverse a word, you can iterate through the characters of the word and build a new word by appending each character in reverse order.

• Iterate through the characters of the word from the last character to the first character.

• Append each character to a new string in reverse order.

• Return the new string as the reversed word.

To delete a node, first find the node to be deleted, then update the pointers of the previous and next nodes to skip the node to be deleted.

• Find the node to be deleted by traversing the linked list

• Update the 'next' pointer of the previous node to skip the node to be deleted

• Update the 'previous' pointer of the next node to skip the node to be deleted

Cucumber is a BDD testing tool and Singleton pattern is a design pattern. They can be used together in Java for efficient testing.

• Cucumber is a tool used for Behavior Driven Development (BDD) testing

• Singleton pattern is a design pattern that restricts the instantiation of a class to one object

• Using Singleton pattern with Cucumber in Java can help in efficient testing by ensuring only one instance of a class is created

• E...read more

Testcases for a pencil include checking its writing ability, eraser functionality, durability, sharpening ease, and lead breakage resistance.

• Verify that the pencil writes smoothly on paper without skipping

• Test the eraser by attempting to erase pencil marks effectively

• Check the durability of the pencil by dropping it from a certain height

• Test how easily the pencil can be sharpened without breaking the lead

• Verify the res...read more

Linux commands for copying and creating files and directories.

• To copy a file: cp source_file destination_file

• To copy a directory: cp -r source_directory destination_directory

• To create a new file: touch new_file

• To create a new directory: mkdir new_directory