Field Reflection : Field « Reflection « Java

Field Reflection


import java.lang.reflect.Field;
import java.lang.reflect.Modifier;

public class MainClass {
  public static void main(String[] args) {
    String name = "java.util.Date";
    try {
      Class cl = Class.forName(name);
      Class supercl = cl.getSuperclass();
      System.out.println("class " + name);
      System.out.println("Its methods:");
    } catch (ClassNotFoundException e) {
      System.out.println("Class not found.");

  public static void printFields(Class cl) {
    Field[] fields = cl.getDeclaredFields();

    for (int i = 0; i < fields.length; i++) {
      Field f = fields[i];
      Class type = f.getType();
      String name = f.getName();
      System.out.println(" " + type.getName() + " " + name + ";");

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