What will be the output of the program? class Super
{
public int i = 0;
public Super(String text) /* Line 4 */
{
i = 1;
}
}
class Sub extends Super
{
public Sub(String text)
{
i = 2;
}
public static void main(String args[])
{
Sub sub = new Sub("Hello");
System.out.println(sub.i);
}
}
Correct Answer: Compilation fails.
Explanation:
A default no-args constructor is not created because there is a constructor supplied that has an argument, line 4. Therefore the sub-class constructor must explicitly make a call to the super class constructor:
