选择年份

  Calendar cal=Calendar.getInstance();

            yy=cal.get(Calendar.YEAR);     

          //set Year from (this year -2) to (this year +2)

            String[] sy=new String[5];

            sy[0]=String.valueOf(yy-2);

            sy[1]=String.valueOf(yy-1);

            sy[2]=String.valueOf(yy);

            sy[3]=String.valueOf(yy+1);

            sy[4]=String.valueOf(yy+2);

            XYear.setModel(new javax.swing.DefaultComboBoxModel(sy));

          //set current year as default value

            XYear.setSelectedItem(String.valueOf(yy));   

Remark:

The default value is this year, range is from this year-2 to this year+2