a = [1,2,3,4,5];
//------------------------------------//
s = 0;
foreach (i in a)
s+=i;
Test.AreEqual(15, s);
//------------------------------------//
s = 0;
i = 0;
while (i < a.Length){
s += a[i];
i++;
}
Test.AreEqual(15, s);
//------------------------------------//
s = 0;
for(i=0;i<a.Length;i++){
s += a[i];
}
Test.AreEqual(15, s);
//------------------------------------//