/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class point
{
	public void print() { System.out.println("base"); }
}
class point3d extends point
{
	@Override
	public void print() { System.out.println("derived"); }
}
 
/* 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
	{
		// your code goes here
		point p1, p2;
		p1 = new point();
		p1.print();
		p2 = new point3d();
		p2.print();
	}
}

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