Duplicate Elements in a 2D Array
Definition
Duplicate elements in a 2D array refer to values that appear more than once within the array.
Analogy
Think of your closet filled with different t-shirts. If you find two identical t-shirts, those would be considered duplicate elements. Similarly, in a 2D array, if there are two identical values present, they would be classified as duplicate elements.
Related terms
Unique Elements: Values that appear only once within an array.
Nested Arrays: Arrays that are contained within another array.
Frequency Counting: The process of determining how many times each element appears within an array.
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