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Common Mistakes To Avoid

Explore common mistakes when working with 2D arrays in Java, such as incorrect indexing and improper array declarations. This lesson helps you understand how to avoid these errors to confidently solve array challenges and prepare effectively for your AP Computer Science exam.

We'll cover the following...

❌ Common pitfalls

The following common mistakes should be avoided:

  • Forgetting to create the array and only declaring it (int[][] array;)
  • Using 11
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