What is the result?

Answer is A. Code will not compile and show compilation error at line n3.
Beacause DoClass constructor of class DoClass has a default access specifier and we are instantiating the DoClass in another package p3. So code wont compile.

What is the question?

Code question:
package p1;

public interface DoInterface {
//public void m1(int n); //line n1
public void m2(int n);
}

package p2;
import p1.*;
import p3.*;

public class Test {

public static void main(String[] args) {
DoInterface doi = new DoClass(); //line n3
doi.method1(100);
doi.method2(200);
}

}
package p3;
import p1.DoInterface;

public class DoClass implements DoInterface {
int x1, x2;
public DoClass() {
this.x1 = 0;
this.x2 = 10;
}
public void m1(int p1) { // line 2
x1 += p1;
System.out.println(x1);
}
public void m2(int p1) {
x2 += p1;
System.out.println(x2);
}
}