Answered: ation error. 2. Determine the output if…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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1. Find the statement that causes the compilation error. 2. Determine the output if that statement is removed. class A { public void test() { System.out.print("A"); } } class B extends A { public void test() { System.out.print("B"); } } public class C extends A { public void test() { System.out.print("C"); } public static void main(String[ ] args) { A b1 = new A( ); A b2 = new C( ); b1 = (A)b2; A b3 = (B)b2; b1.test( ); b2.test( ); } }

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