How to remove duplicates from a list using an auxiliary array in Java?

Question

I am trying to remove duplicates from a list by creating a temporary array that stores the indices of where the duplicates are, and then copies off the original array into a

Answer 1

Instead of doing it in array, you can simply use java.util.Set.

Here an example:

public static void main(String[] args)
{
    Double[] values = new Double[]{ 1.0, 2.0, 2.0, 2.0, 3.0, 10.0, 10.0 };
    Set singleValues = new HashSet();

    for (Double value : values)
    {
        singleValues.add(value);
    }
    System.out.println("singleValues: "+singleValues);
    // now convert it into double array
    Double[] dValues = singleValues.toArray(new Double[]{});
}