小编mol*_*a11的帖子

@Test
public void test() {
    MyProperties props = new MyProperties();
    props.setProperty("value", new Date());

    StringUtils.isNullOrEmpty(props.getProperty("value"));
}

public class MyProperties {
    private Map<String, Object> properties = new HashMap<String, Object>();

    public void setProperty(String name, Object value) {
        properties.put(name, value);
    }

    @SuppressWarnings("unchecked")
    public <T> T getProperty(String name) {
        return (T) properties.get(name);
    }
}

public class StringUtils {

    public static boolean isNullOrEmpty(Object string) {
        return isNullOrEmpty(valueOf(string));
    }

    public static String valueOf(Object string) {
        if (string == null) {
            return "";
        }
        return string.toString();
    }

    public …