Practice: Java Arrays

Boost your technical skill set and test your knowledge of arrays in Java using these interactive coding challenges and solutions.

Introduction

• Test your array knowledge
• Getting started with GitHub Codespaces

1. Working with Arrays

• Working with data inside arrays
• Iterating through arrays
• Try it: Find the second smallest item in an array
• Check it: Find the second smallest item in an array
• Try it: Display a triangle
• Check it: Display a triangle
• Try it: Rotate an array
• Check it: Rotate an array
• Try it: Move all the zeros to the end
• Check it: Move all the zeros to the end
• Try it: Reverse an array in place
• Check it: Reverse an array in place
• Try it: Expanding arrays
• Check it: Expanding arrays
• Advantages and disadvantages of the array data structure

Conclusion

• Continue your practice with algorithms and data structures