Comcast India Engineering Center Interview Questions, Process, and Tips

Sorting array of strings without using predefined methods.

• Implement bubble sort algorithm

• Use insertion sort algorithm

• Apply quick sort algorithm

• Use merge sort algorithm

Removing duplicate numbers from an array of strings

• Create a new empty array

• Loop through the original array

• Check if the current element exists in the new array

• If not, add it to the new array

• Return the new array

Best practices for Dockerfile include keeping it simple, using official images, and minimizing layers.

• Use official images as base

• Minimize layers to reduce image size

• Avoid installing unnecessary packages

• Use .dockerignore to exclude unnecessary files

• Specify version numbers for packages

• Use multi-stage builds for complex builds

• Run only one process per container

• Use environment variables for configuration

• Keep the Dockerfile