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What Are the Key Differences Between Arrays and Lists in Computer Science?

Arrays and lists are both ways to keep a group of data, but there are some important differences between them:

  • Size: Arrays have a set size. This means once you create an array, you cannot change how many items it holds. Lists, on the other hand, can grow or shrink. This makes lists more adaptable.

  • Accessing Elements: Getting items from both arrays and lists works in a similar way. For arrays, you access items by their position. For example, to get the first item, you would use array[0].

  • Adding and Removing Items: Lists are easier when you want to add or remove items. You don’t have to worry about moving things around like you do with arrays.

In simple terms, use arrays when you know exactly how many items you need and want speed. Use lists when you need to change the number of items often.

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What Are the Key Differences Between Arrays and Lists in Computer Science?

Arrays and lists are both ways to keep a group of data, but there are some important differences between them:

  • Size: Arrays have a set size. This means once you create an array, you cannot change how many items it holds. Lists, on the other hand, can grow or shrink. This makes lists more adaptable.

  • Accessing Elements: Getting items from both arrays and lists works in a similar way. For arrays, you access items by their position. For example, to get the first item, you would use array[0].

  • Adding and Removing Items: Lists are easier when you want to add or remove items. You don’t have to worry about moving things around like you do with arrays.

In simple terms, use arrays when you know exactly how many items you need and want speed. Use lists when you need to change the number of items often.

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