/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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
	{
	List<Class<? extends BaseClass>> a = new ArrayList<Class<? extends BaseClass>>();
    a.add(ClassA.class);
    a.add(ClassB.class);
    Class<? extends BaseClass> c = a.get(0);
    BaseClass m = (BaseClass) c.getConstructor().newInstance();
	}
}
 
class BaseClass {}
class ClassA extends BaseClass { public ClassA() {} }
class ClassB extends BaseClass {}

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