import java.lang.reflect.Field;
import java.lang.reflect.Method;
import com.thoughtworks.paranamer.*;
public class ReflectionExample {
public static void main(String[] args) throws Exception {
Class<?> clazz = ExampleClass.class;
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
System.out.println("Field name: " + field.getName());
}
Method[] methods = clazz.getDeclaredMethods();
ParameterNameDiscoverer paramDiscoverer = new CachingParanamer();
for (Method method : methods) {
System.out.println("Method name: " + method.getName());
String[] paramNames = paramDiscoverer.getParameterNames(method);
for (String paramName : paramNames) {
System.out.println("Parameter name: " + paramName);
}
}
}
}
class ExampleClass {
private String exampleField;
public void exampleMethod(String param1, int param2) {
}
}
import java.beans.PropertyDescriptor;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.io.*;
public class SerializationExample {
public static void main(String[] args) throws IOException, ClassNotFoundException, IntrospectionException {
ExampleClass object = new ExampleClass();
object.setExampleField("example");
FileOutputStream fos = new FileOutputStream("example.ser");
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(object);
oos.close();
FileInputStream fis = new FileInputStream("example.ser");
ObjectInputStream ois = new ObjectInputStream(fis);
ExampleClass deserializedObject = (ExampleClass) ois.readObject();
ois.close();
PropertyDescriptor[] propertyDescriptors = Introspector.getBeanInfo(ExampleClass.class).getPropertyDescriptors();
for (PropertyDescriptor propertyDescriptor : propertyDescriptors) {
Object value = propertyDescriptor.getReadMethod().invoke(deserializedObject);
System.out.println(propertyDescriptor.getName() + " = " + value);
}
}
}
class ExampleClass implements Serializable {
private String exampleField;
public void setExampleField(String exampleField) {
this.exampleField = exampleField;
}
public String getExampleField() {
return exampleField;
}
}
<dependency>
<groupId>com.thoughtworks.paranamer</groupId>
<artifactId>paranamer</artifactId>
<version>2.8</version>
</dependency>
