final MyBean src = new MyBean();
        src.aaa = "aaa";
        final MyBean dest = BeanUtil.copyBeanToNewBean(src, MyBean.class);
        assertThat(dest.aaa, is("aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testCopy_beanToNewMap() throws Exception {
        final MyBean src = new MyBean();
        src.aaa = "aaa";

        final MyBean myBean = new MyBean();
        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final PropertyDesc propDesc = beanDesc.getPropertyDesc("aaa");
        propDesc.setValue(myBean, null);
    }

    /**
     * @throws Exception
     */
    @Test(expected = IllegalPropertyRuntimeException.class)
    public void testSetValue_notWritableWithField() throws Exception {
        final MyBean myBean = new MyBean();

        /**
         * @return Boolean
         */
        public Boolean isFff() {
            return null;
        }

        /**
         * @param hhh
         * @return MyBean
         */
        public MyBean setHhh(final String hhh) {
            return this;
        }

        /**
         *
         */
        public void getIii() {
        }

        /**

    options.exclude("password", "internalId"));

// Convert between beans and maps
Map<String, Object> map = BeanUtil.copyBeanToNewMap(bean);
MyBean newBean = BeanUtil.copyMapToNewBean(map, MyBean.class);
```

### Type Conversion
```java
import org.codelibs.core.convert.*;

// Safe type conversions with null handling
Integer value = IntegerConversionUtil.toInteger("123");        // Returns 123