Answered: import java.util.Scanner; public class…

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

import java.util.Scanner;

public class Application {
public static void main(String[] args)
{
int Num;
float Ave;
Employee[] Emp = new Employee[100];
System.out.println("Enter the number of employees:");
Num = Integer.parseInt(new Scanner(System.in).nextLine());
for (int i = 0; i < Num; i++){
Emp[i] = new Employee();
Emp[i].Input();
}

System.out.printf("The list of employees:");
System.out.println();
Display(Emp, Num);
Ave= AverageSalary(Emp, Num);
System.out.printf("\nAverage salary is:" + "%.2f", Ave);
System.out.printf("\nThe employee with highest salary is:\n" + employeeHigh(Emp, Num));

}

private static float AverageSalary(Employee [] emps, int n)
{
float sum=0;
for (int i = 0; i < n; i++)
sum = sum + emps[i].salary;
return sum/n;
}
private static void Display(Employee[] arr, int n)
{
for (int i = 0; i < n; i++){
System.out.printf("%s",arr[i]);
}
}

private static Employee employeeHigh(Employee[] arr, int n)
{
float high= arr[0].salary ;
int iHigh = 0;
for (int i = 1; i < n; i++){
if( arr[i].salary > high){
high = arr[i].salary;
iHigh = i;
}
}
return arr[iHigh];
}

}

I cant figure out why my code keeps providing errors

import java.util.Scanner;
public class Application {
public static void main(String[] args)
{
int Num;
float Ave;
Employee [] Emp = new Employee [100];
System.out.println("Enter the number of employees:");
Num = Integer.parseInt (new Scanner(System.in).nextLine());
for (int i = 0; i < Num; i++){
Emp [i] = new Employee();
Emp [i].Input();
System.out.printf("The list of employees:");
System.out.println();
Display(Emp, Num);
Ave= AverageSalary(Emp, Num);
System.out.printf("\nAverage salary is:" + "%.2f", Ave);
System.out.printf("\nThe employee with highest salary is:\n" + employeeHigh(Emp, Num));
private static float AverageSalary(Employee [] emps, int n)
{
float sum=0;
for (int i = 0; i < n; i++)
sum = sum + emps [i].salary;
return sum/n;
private static void Display(Employee[] arr, int n)
{
for (int i = 0; i < n; i++){
System.out.printf("%s",arr[i]);
}
private static Employee employeeHigh(Employee [] arr, int n)
{
float high= arr[0].salary ;
int iHigh = 0;
for (int i = 1; i< n; i++){
if( arr[i].salary > high){
high = arr[i].salary;
iHigh = i;
}
return arr[iHigh];
}

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