<h:form id="f">
                                <p:selectOneListbox id="teklist" value="#{checkboxView.select}" filter="true" filterMatchMode="contains" style="width: 298px; padding: 10px;" scrollHeight="300">
                                    <f:ajax event="change" listener="#{checkboxView.visualmap()}" render="@all"/>
                                    <f:selectItems value="#{checkboxView.listTable}" var="theme1" itemLabel="#{theme1}" itemValue="#{theme1}" />
                                </p:selectOneListbox>
                            </h:form>

public class CheckboxView {
 
    private String select;
 
    @PostConstruct
    public void init() {
 
        try {     
            select=ConnectToDB.getData("name_parameter","parameter where id_parameter="+visibleTable.get(0)).data.get(0);       
 
        } catch (Exception ex) {
            Logger.getLogger(CheckboxView.class.getName()).log(Level.SEVERE, null, ex);
        }
 
    }
 
 
    public String getSelect() {
        return this.select;
    }
 
    public void setSelect(String select) {
        this.select = select;
    }
 
  
 
 
    public CheckboxView(String select){ // конструктор
 
      this.select=select;
 
   }
    public CheckboxView(){ // конструктор
    }
}

public class ReportDesigner implements Serializable {
 
 
    public CheckboxView selectP;
    private String selectPar;
   
    @PostConstruct
    public void init() {
 
        try {
        
            selectP=new CheckboxView();
            selectPar = selectP.getSelect();
           
        } catch (Exception ex) {
            Logger.getLogger(ReportDesigner.class.getName()).log(Level.SEVERE, null, ex);
        }
 
    }