package databaseProject;

import java.util.HashMap;
import java.util.Map;

public class rowData {

    private Map<String, Object> values = new HashMap<String, Object>();

    public Object getValueForCol(String columnIndex) {
        if (values.containsKey(columnIndex)) {
            return values.get(columnIndex);
        }
        return "";
    }

    public void setValueForCol(Object aValue, String columnIndex) {
        values.put(columnIndex, aValue);
    }
}

List<rowData> rows = new ArrayList<rowData>();

    public void addRow() {
        rows.add(new rowData());
        fireTableRowsInserted(rows.size(), rows.size());
    }