[java] OOP Lab
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- //definicija početna
- ArrayList<T> idevi = new ArrayList<>();
- ArrayList<U> valujuzi = new ArrayList<>();
- T[] ids;
- U[] values;
- Integer[] amounts;
- //samo problematicna metoda
- public void addProduct(T otherId, U otherValue, Integer otherAmount) {
- if (doesIdExists(otherId)) {
- throw new IllegalArgumentException(String.format("Id " + otherId + " exists!"));
- } else {
- counter++;
- //Postojao je suppress warning kao u primjeru iz predavanja
- //T[] noviIds = (T[]) new Object[ids.length + 1];
- //U[] noviValues = (U[]) new Object[values.length + 1];
- Integer[] noviAmounts = new Integer[ids.length + 1];
- for (int i = 0; i < ids.length; i++) {
- idevi.add(ids[i]);
- valujuzi.add(values[i]);
- //noviIds[i] = ids[i];
- //noviValues[i] = values[i];
- noviAmounts[i] = amounts[i];
- }
- idevi.add(otherId);
- valujuzi.add(otherValue);
- //noviIds[ids.length] = otherId;
- //noviValues[ids.length] = otherValue;
- noviAmounts[ids.length] = otherAmount;
- //ids = noviIds;
- //values = noviValues;
- amounts = noviAmounts;
- }
- }
- //Fja za racunanje
- public Double totalMarketValue() {
- double sum = 0;
- if(counter == 0) {
- for (int i = 0; i < ids.length + counter; i++) {
- sum += values[i].doubleValue() * amounts[i];
- }
- }
- if(counter > 0) {
- for (int i = 0; i < idevi.size(); i++) {
- sum+= valujuzi.get(i).doubleValue() * amounts[i];
- }
- }
- return sum;
- }
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