/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;
import java.lang.reflect.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{


SomeClass obj = new SomeClass();

final Field field = SomeClass.class.getDeclaredField("num");
field.setAccessible(true);
Field modField = Field.class.getDeclaredField("modifiers");
modField.setAccessible(true);
modField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
field.set(obj, 1);

System.out.println(obj.getNum());


System.out.println(field.get(obj));

	}
}

class SomeClass {

    private final int num = 0;

    public int getNum() {
        return num;
    }

}