OK 괜찮아, 동네 개발자형

package kr.pe.okjsp.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;

import junit.framework.TestCase;

public class DateUtilTest extends TestCase {
 public void testIsValidDate() {
  assertTrue(isValidDate("20080229"));
  assertFalse(isValidDate("20090229"));
 }

 public boolean isValidDate(String date) {
  SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
  String format = null;
  try {
   format = sdf.format(sdf.parse(date));
  } catch (ParseException e) {
   e.printStackTrace();
  }
  return date.equals(format);
 }
}