/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
class MyException extends Exception {}
class A {
    protected void m() throws MyException {
    	System.out.println("A");
    }
}
class B extends A {
    public void m()  {
    	System.out.println("B");
    }
}
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args)
	{
        A a = new B();
        ((B)a).m();
	}
}

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