Examples - Reflection

Java

import java.util.ArrayList;
import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;

public class ExReflection {
  public static void main(String[] args) {
    List a = new ArrayList();
    a.add(new Integer(1));

    Method g = null;
    try {
      g = a.getClass().getMethod("get", new Class[] {Integer.TYPE});
    } catch (NoSuchMethodException e) {
      e.printStackTrace();
    }

    System.out.println(g);

    try {
      System.out.println(g.invoke(a, new Object[] {new Integer(0)}));
    } catch (IllegalAccessException e) {
      e.printStackTrace();
    } catch (InvocationTargetException e) {
      e.printStackTrace();
    }
  }
}

ExReflection.java

Jython

from java.util import ArrayList

a = ArrayList()
a.add(1)

g = getattr(a, "get")

print g
print g(0)

# alternatively

g = a.get

ex_reflection.py