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CodeSignal via edX

Advanced Coding Interview Preparation with Kotlin

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Overview

Enhance your Kotlin programming proficiency from intermediate to advanced level. You will refine your knowledge and application of advanced algorithms, complex data structures, and efficient implementation techniques.

What you'll learn

  • Traverse, transform, and transpose multidimensional arrays
  • Implement counting and aggregation workflows with Kotlin HashMaps
  • Decompose sophisticated tasks into manageable subproblems and integrate them into a unified solution
  • Analyze time and space complexity to optimize HashMap and HashSet usage
  • Use two-pointer techniques to reduce unnecessary computation
  • Optimize brute-force and combinatorial solutions using constraints and pre-calculation
  • Solve problems efficiently with heaps, priority queues, and sorted lists

Skills you'll practise

Java (Programming Language)Data StructuresProblem SolvingData TranspositionKotlinCalculationsAlgorithms

Advantages and disadvantages

Advantages

  • University courses you can audit for free, with lectures, readings and practice quizzes.
  • A verified certificate from the university if you pay for it.
  • Self-paced: start any time.

Disadvantages

  • Graded assignments and the certificate need the paid track.
  • Audit access can expire a few weeks after the course ends.
  • Learning is free, but the certificate costs money.
  • Some parts (graded work, certificate) are paid.

Some points apply to every course of this kind; see how we rank.

Free to audit

  • Free: Choose "Audit this course" when you enrol: lectures, readings and practice are free.
  • Paid: Graded assignments and the verified certificate (Certificate $120). Audit access may end after the course closes.

Before you start

Beginner: Debugging and Troubleshooting (Kotlin) Intermediate: General Programming and Algorithms (Kotlin)

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