CODEWITHSUNDEEP
javaarrays
DippityFisch
DippityFisch

Reputation: 11

adding specific elements from one array into another in Java

This is probably a dumb question but I have hit a brick wall. I'm stuck. I want to add the contents in index 4 of array 1 into index 0 of array 2 then add the contents of index 4+32 in array 1 to index 1 of array 2 and so forth. Array 1 is an existing array and array 2 is being filled by a "jumping" selection coming out of array 1. I have tried everything including converting the first array into a list but it just gets messy. and array copy seems to just copy the entire array across. I would like to do this on the fly: for (int ab = 0; ab <5; ab++){ if (ac

Upvotes: 1

Views: 774

Answers (1)

Iain
Iain

Reputation: 11244

So is this it?

int fromIndex = 4
int toIndex = 0;
while (fromIndex < array1.length)
{
   array2[toIndex ] = array1[fromIndex];
   fromIndex+=32;
   toIndex++;
}

Upvotes: 2

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