code: @Test public void testRealize() throws Exception {
    Map<String,String> map=new LinkedHashMap<String,String>();
    map.put("key","value");
    Object obj=PojoUtils.generalize(map);
    assertTrue(obj instanceof LinkedHashMap);
    Object outputObject=PojoUtils.realize(map,LinkedHashMap.class);
    assertTrue(outputObject instanceof LinkedHashMap);
    Object[] objects=PojoUtils.realize(new Object[]{map},new Class[]{LinkedHashMap.class});
    assertTrue(objects[0] instanceof LinkedHashMap);
    assertEquals(objects[0],outputObject);
  }
  