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Why array index will be start with 0 in java programming languages?
Can you give me an example of when it's more efficient to start with 0?
Sure! Let's say you have an array of length n. If the first element is at index 0, then the i-th element is at an offset of i times the size of an element. If you started the array at index 1, then you would have to add or subtract 1 from every index value. This might not seem like a big deal, but it can be when you're working with large arrays or performing operations that need to be done quickly.