1. What will be the output of the program? class Base { Base() { System.out.print("Base"); } } public class Alpha extends Base { public static void main(String[] args) { new Alpha(); / Line 12 / new Base(); / Line 13 / } }
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By: guest on 02 Jun 2017 01.25 am
Option B is correct. It would be correct if the code had compiled, and the subclass Alpha had been saved in its own file. In this case Java supplies an implicit call from the sub-class constructor to the no-args constructor of the super-class therefore line 12 causes Base to be output. Line 13 also causes Base to be output. Option A is wrong. It would be correct if either the main class or the subclass had not been instantiated. Option C is wrong. The code compiles. Option D is wrong. There is output.