Pegar varios elementos de uma Jtable[resolvido]

class TableModel extends AbstractTableModel{
		private String[] colunas = {"Codigo","Nome","Descrição","valor"};
		
		ArrayList<Item> colecao = new ArrayList<Item>();
		ItemDao dao = ItemDao.getInstance();
		
		public TableModel(){
			colecao = dao.obterItems();
		}
		
		@Override
		public int getColumnCount() {
			return colunas.length;
		}

		@Override
		public int getRowCount() {
			return colecao.size();
		}
		
		@Override
		public String getColumnName(int column) {
			return colunas[column];
		}
		
		@Override
		public Object getValueAt(int row, int column) {
			Item i = colecao.get(row);
			if(column ==0){
				return i.getCod();
			}
			if(column ==1){
				return i.getNome();
				
			}
			if(column ==2){
				return i.getDescricao();
			}
			else{
				return i.getValor();
			}
			
		}
		public void listar(){
			colecao = dao.obterItems();
			fireTableDataChanged();
		}
		
		public Item getItem(int index){
			Item item = colecao.get(index);
			return item;
		}
		
	}

List<Receber> values = view.getTbItens().getValues() != null ? view.getTbItens().getValues() : new ArrayList<Receber>();
    for (int i = 0; i < values.size(); i++) {              
            Receber receber = (Receber) values.get(i);
}

import java.util.ArrayList;
import java.util.List;

import javax.swing.table.AbstractTableModel;

public class TableModel extends AbstractTableModel {

	private static final long serialVersionUID = -8529810359520768805L;
	
	private String[] columns;
	
	private List<RowTable> rows;
	
	public TableModel(List<RowTable> rows, String[] columns) {
		this.setRows(rows);
		this.setColumns(columns);
	}	

	public void setRows(List<RowTable> rows) {
		if(getRows() == null && rows == null)
			return;
		fireTableRowsDeleted(0, (getRowCount() != 0 ? getRowCount() : 1) - 1);
		this.rows = rows;
		if(getRows() != null)
			fireTableRowsInserted(0, rows.size() - 1);
	}
	
	public void addRow(RowTable rowTable) {
		if(getRows() == null)
			setRows(new ArrayList<RowTable>());
		int row = getRowCount();
		getRows().add(rowTable);
		fireTableRowsInserted(row, row);
	}
	
	public void removeRow(int rowIndex) {
		getRows().remove(rowIndex);
		fireTableRowsDeleted(rowIndex, rowIndex);
	}
	
	public void editRow(int rowIndex, RowTable rowTable) {
		getRows().set(rowIndex, rowTable);
		fireTableRowsUpdated(rowIndex, rowIndex);
	}
	
	public RowTable getRow(int rowIndex) {
		return getRows().get(rowIndex);
	}

	public List<RowTable> getRows() {
		return rows;
	}

	public void setColumns(String[] columns) {
		this.columns = columns;
	}

	public String[] getColumns() {
		return columns;
	}

	@Override
	public String getColumnName(int column) {
		return getColumns()[column];
	}
	
	@Override
	public void setValueAt(Object value, int rowIndex, int columnIndex) {
		getRows().get(rowIndex).getRowData()[columnIndex] = (String) value;
		fireTableCellUpdated(rowIndex, columnIndex);
	}	

	@Override
	public int getColumnCount() {
		return getColumns().length;
	}

	@Override
	public int getRowCount() {
		return getRows() != null ? getRows().size() : 0;
	}

	@Override
	public Object getValueAt(int rowIndex, int columnIndex) {
		return getRows() != null ? getRows().get(rowIndex).getColRowData(columnIndex) : null;
	}
	
	@Override
	public boolean isCellEditable(int rowIndex, int columnIndex) {
		return true;
	}