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"); 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(); class B extends A { public void test() { System.out.print("B");

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
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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");
public class C extends A {
public void test() {
System.out.print("C");
public static void main(String[] args) {
A bi = new A(O;
A b2 = new C(;
b1 = (A)b2;
A b3 =
b1.test();
b2. test();
class B extends A {
public void test() {
System.out.print("B");
(B)b2;
Transcribed Image Text: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"); public class C extends A { public void test() { System.out.print("C"); public static void main(String[] args) { A bi = new A(O; A b2 = new C(; b1 = (A)b2; A b3 = b1.test(); b2. test(); class B extends A { public void test() { System.out.print("B"); (B)b2;
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