Question

How to use int array in Swift

Answer 1

var arr = [Int]()

arr.append(5)
arr.append(7)
arr.append(2)

for n in arr {
    print(n)
}




/*
run:

5
7
2

*/

 

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Answer 2

var arr = [Int]()

arr.append(5)
arr.append(7)
arr.append(2)

print(arr)
print(arr.count)




/*
run:

[5, 7, 2]
3

*/

 

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