1. Select the four (4) statements that can be inserted at line n1.public class Employee {public int salary;}public class Manager extends Employee {public int budget;}public class Director extends Manager {public int stockOptions;}public static void main(String[ ] args) {Employee employeeManager manager = new Manager();Director director = new Director();//line n1employee.salary:= 50000;director.salary = 80000;employee.budget= 20000;manager.budget100000;manager.stockOptions = 500;director.stockOptions = 1000;new Employee();}} 2. Will the code compile? If yes, determine the output. If no, state why.class Pet {public Pet(int age) {System.out.print("Pet");}}public class Cat extends Pet {public Cat() {System.out.print("Cat");}public static void main(String[ ] args) {new Pet(5);}}

According to the guidelines, We are supposed to answer only one question. So I am solving the first…

1. Select the four (4) statements that can be inserted at line n1. public class Employee { public int salary; 一 public class Manager extends Employee { public int budget; } public class Director extends Manager { public int stockOptions; 一 public static void main(String[ ] args) { Employee employee = new Employee(); Manager manager = new Manager(); Director director = new Director(); employee.salary = 50000; director.salary = 80000; employee.budget = 20000; manager.budget = 100000; manager.stockOptions = 500; director.stockOptions = 1000; %3D //line n1 } }

1. Select the four (4) statements that can be inserted at line n1. public class Employee { public int salary; 一 public class Manager extends Employee { public int budget; } public class Director extends Manager { public int stockOptions; 一 public static void main(String[ ] args) { Employee employee = new Employee(); Manager manager = new Manager(); Director director = new Director(); employee.salary = 50000; director.salary = 80000; employee.budget = 20000; manager.budget = 100000; manager.stockOptions = 500; director.stockOptions = 1000; %3D //line n1 } }

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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Question

1. Select the four (4) statements that can be inserted at line n1.
public class Employee {
public int salary;
}
public class Manager extends Employee {
public int budget;
}
public class Director extends Manager {
public int stockOptions;
}
public static void main(String[ ] args) {
Employee employee
Manager manager = new Manager();
Director director = new Director();
//line n1
employee.salary:
= 50000;
director.salary = 80000;
employee.budget
= 20000;
manager.budget
100000;
manager.stockOptions = 500;
director.stockOptions = 1000;
new Employee();
}
}

2. Will the code compile? If yes, determine the output. If no, state why.
class Pet {
public Pet(int age) {
System.out.print("Pet");
}
}
public class Cat extends Pet {
public Cat() {
System.out.print("Cat");
}
public static void main(String[ ] args) {
new Pet(5);
}
}

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