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Recieving 0.0 when multiplying two doubles in an array. Any help? (noob issue)

You're only modifying the first element of speedMPH (n is always 0). I'd recommend using a normal for-loop, because you need the current index.

for (int i = 0; i < speedK.length;
i++) {
    speedMPH[i] = speedK[i] * 1.15078;

Casting to double is not necessary. If you really want to use an enhanced for-loop, you need to increment n:

int n = 0;
for(double speedTemp : speedK) {
    speedMPH[n] = speedTemp * 1.15078;

Categories : Java

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