Given the following definitions: public abstract class Manager extends Employee {...} public class Executive extends Manager { ... } What, if anything, is wrong with the following code? public class hrSystem { } public void payRaise () { } Manager m = new Manager (); O Compiler error because there is no Manager constructor. Compiler error because Manager is abstract so an instance cannot be created. No problem. The code will compile without any errors. O Compiles fine but will generate a run-time error unless an Employee object is created first

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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Given the following definitions:
public abstract class Manager extends Employee {...}
public class Executive extends Manager { ... }
What, if anything, is wrong with the following code?
public class hrSystem {
}
public void payRaise () {
}
Manager m = new Manager();
O Compiler error because there is no Manager constructor.
Compiler error because Manager is abstract so an instance cannot be created.
No problem. The code will compile without any errors.
O Compiles fine but will generate a run-time error unless an Employee object is created first.
Transcribed Image Text:Given the following definitions: public abstract class Manager extends Employee {...} public class Executive extends Manager { ... } What, if anything, is wrong with the following code? public class hrSystem { } public void payRaise () { } Manager m = new Manager(); O Compiler error because there is no Manager constructor. Compiler error because Manager is abstract so an instance cannot be created. No problem. The code will compile without any errors. O Compiles fine but will generate a run-time error unless an Employee object is created first.
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