System class reflection : Field « Reflection « Java Tutorial

1. Java Tutorial
2. Reflection
3. Field

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

public class ReflectionDemo1 {
  public static void main(String args[]) {
    try {
      Class c = Class.forName("java.awt.Dimension");
      System.out.println("Constructors:");
      Constructor constructors[] = c.getConstructors();
      for (int i = 0; i < constructors.length; i++) {
        System.out.println(" " + constructors[i]);
      }

      System.out.println("Fields:");
      Field fields[] = c.getFields();
      for (int i = 0; i < fields.length; i++) {
        System.out.println(" " + fields[i]);
      }

      System.out.println("Methods:");
      Method methods[] = c.getMethods();
      for (int i = 0; i < methods.length; i++) {
        System.out.println(" " + methods[i]);
      }
    } catch (Exception e) {
      System.out.println("Exception: " + e);
    }
  }
}