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Prompt the user to enter the array size, then to enter the values to that array. The array must have at least 2 numbers and show the message “Invalid size” when not applied. Define a method called SecondLowest. take an array and print the second-lowest number in that array, and returns its index. Then exchange it (the second lowest element) with the second element in the array, and print the arrays elements after change.

Sagot :

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