Delete Duplicates in an array

DeleteDuplicates.java

//Delete duplicates in an array

public static int[] deleteDuplicates( int[] arrayWithDups ){
 ArrayList<Integer> arrayNoDups= new ArrayList<Integer>();
 for (int i=0; i < arrayWithDups.length; i++){
  if (!arrayNoDups.contains(arrayWithDups[i])){
  arrayNoDups.add(arrayWithDups[i]);
  }
 }
 int[] arrayPrimitive = new int[arrayNoDups.size()];
 for (int i=0; i < arrayNoDups.size(); i++){
     arrayPrimitive[i] = arrayNoDups.get(i);
 }

return arrayPrimitive;
}