import java.io.*;
import java.util.Scanner;
boolean operation = false;
int operation2 = 0;
String line;
String filename;
// create a DeptManagement object. This is used throughout this class.
DeptManagement deptManage1 = new DeptManagement();
File file;
try {
// print out the menu
printMenu();
// create a BufferedReader object to read input from a keyboard
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader stdin = new BufferedReader(isr);
do {
System.out.print("\nWhat action would you like to perform?\n");
line = stdin.readLine().trim(); //read a line
input1 = line.charAt(0);
input1 = Character.toUpperCase(input1);
if (line.length() == 1) //check if a user entered only one
character
{
switch (input1) {
case 'A':
//Add Department
System.out.print("Please enter the department
information:\n");
System.out.print("Enter department name:\n");
deptName = stdin.readLine().trim();
System.out.print("Enter number of faculty:\n");
numOfFacultyStr = stdin.readLine().trim();
numOfFaculty = Integer.parseInt(numOfFacultyStr);
System.out.print("Enter university name:\n");
nameOfUniversity = stdin.readLine().trim();
System.out.print("Enter faculty first name:\n");
firstName = stdin.readLine().trim();
System.out.print("Enter faculty last name:\n");
lastName = stdin.readLine().trim();
System.out.print("Enter faculty academic level:\n");
public class Assignment8 {
public static void main(String[] args) {
char input1;
String deptName, numOfFacultyStr, nameOfUniversity;
String firstName, lastName, academicLevel;
String university;
int numOfFaculty;
// Assignment: ASU CSE205 Spring 2021 #8
// Name: Must
afa Saify
// StudentID: 1220087856
// Lecture: 12:20-1:10 MWF
// Description: The Assignment 8 class displays a menu of choices to a user
// and performs the chosen task. It will keep asking a user to
// enter the next choice until the choice of 'Q' (Quit) is
// entered.
academicLevel = stdin.readLine().trim();
/
********************************************************************************
****
*** Complete the follwing statement, if the department is added successfully,
show
"Department added\n" on screen, otherwise show "Department NOT added\n"
********************************************************************************
***/
if (deptManage1.addDepartment(deptName,
nameOfUniversity, numOfFaculty,
firstName, lastName, academicLevel)) {
System.out.print("Department added\n");
} else
System.out.print("Department NOT added\n");
break;
case 'C':
//Create a new department management
deptManage1 = new DeptManagement();
break;
//*****
case 'D':
//Search by department's name and the university
System.out.print("Please enter the department name
to search:\n");
deptName = stdin.readLine().trim();
System.out.print("Please enter the university name
to search:\n");
university = stdin.readLine().trim();
/
********************************************************************************
****
*** Complete the follwing statement, if the department with above name and
university is found
show deptName + " at " + university + " is found\n"; otherwise show
deptName + " at " + university + " is NOT found\n"
********************************************************************************
***/
int i = deptManage1.deptExists(deptName,
university);
if (i >= 0) {
Department department =
deptManage1.deptList.get(i);
System.out.print(department.getDeptName() + " at
" + department.getUniversity() + " is found\n");
} else
System.out.print(deptName + " at " + university
+ " NOT found\n");
break;
case 'E':
//Search faculty
System.out.print("Please enter the faculty first
name to search:\n");
firstName = stdin.readLine().trim();
System.out.print("Please enter the faculty last name
to search:\n");
lastName = stdin.readLine().trim();
System.out.print("Please enter the faculty academic
level to search:\n");
academicLevel = stdin.readLine().trim();
/
********************************************************************************
****
*** Complete the follwing statement, if the department with its currentFaculty
has above
first, last and academic info. is found, show "Faculty: " + firstName + " " +
lastName + ", " + academicLevel + " is found\n"; otherwise show
"Faculty: " + firstName + " " + lastName + ", " + academicLevel + " is NOT
found\n"
********************************************************************************
***/
int g = deptManage1.facultyExists(firstName,
lastName, academicLevel);
if (g >= 0) {
Department department =
deptManage1.deptList.get(g);
System.out.print("Faculty: " +
department.getFaculty().getFirstName() +
" " +
department.getFaculty().getLastName() + ", " +
department.getFaculty().getAcademicLevel() + " is found\n");
} else
System.out.print("Faculty: " + firstName + " " +
lastName + ", " + academicLevel + " is NOT found\n");
break;
case 'L':
//List departments
System.out.print(deptManage1.listDepartments());
break;
case 'N':
/
********************************************************************************
****
*** Complete the follwing statement. Sort by department names in alphabetical
order
********************************************************************************
***/
deptManage1.sortByDepartmentName();
System.out.print("sorted by department names\n");
break;
case 'O':
/
********************************************************************************
****
*** Complete the follwing statement. Sort by faculty numbers in increasing
order
********************************************************************************
***/
deptManage1.sortByFacultyNumbers();
System.out.print("sorted by faculty numbers\n");
break;
case 'P':
/
********************************************************************************
****
*** Complete the follwing statement. Sort the current faculty in alphabetical
order
********************************************************************************
***/
deptManage1.sortByDeptFaculty();
System.out.print("sorted by current faculty
name\n");
break;
case 'Q':
return;
case 'R':
//Remove a department
System.out.print("Please enter the department name
to remove:\n");
deptName = stdin.readLine().trim();
System.out.print("Please enter the university name
to remove:\n");
university = stdin.readLine().trim();
/
********************************************************************************
****
*** Complete the follwing statement, if the department with above name and
university is found
remove it. Show the relevant info. accordingly.
********************************************************************************
***/
boolean dep = deptManage1.removeDepartment(deptName,
university);
if (dep)
System.out.print(deptName + " at " + university
+ " is removed\n");
else
System.out.print(deptName + " at " + university
+ " is NOT removed\n");
break;
case 'T':
//Close DeptManagement
deptManage1.closeDeptManagement();
System.out.print("Department management system
closed\n");
break;
case 'U':
//Write Text to a File
System.out.print("Please enter a file name that we
will write to:\n");
filename = stdin.readLine().trim();
try {
/
********************************************************************************
****
*** Complete the follwing statement, write above string inside the relevant
file
********************************************************************************
***/
File f = new File(filename);
FileWriter fr = new FileWriter(f);
System.out.print("Please enter a string to write
inside the file:\n");
String text = stdin.readLine().trim();
fr.write(text + "\n");
fr.close();
System.out.print(filename + " is written\n");
} catch (Exception e) {
System.out.print("Write string inside the file
error\n");
}
break;
case 'V':
//Read Text from a File
System.out.print("Please enter a file name which we
will read from:\n");
filename = stdin.readLine().trim();
try {
File readfile = new File(filename);
Scanner sc = new Scanner(readfile);
System.out.print(filename + " was read\n");
line = sc.nextLine();
System.out.print("The first line of the file
is:\n");
System.out.print(line + "\n");
sc.close();
/
********************************************************************************
****
*** Complete the follwing statement, read from above text file
********************************************************************************
***/
} catch (FileNotFoundException e) {
System.out.print(filename + " not found
error\n");
} catch (IOException e1) {
System.out.print("Read string from the file
error\n");
}
break;
case 'W':
//Serialize DeptManagement to a File
System.out.print("Please enter a file name which we
will write to:\n");
filename = stdin.readLine().trim();
try {
/
********************************************************************************
****
*** Complete the follwing statement, write object deptManage1 inside the data
file
********************************************************************************
***/
File f = new File(filename);
FileOutputStream fileOutputStream = new
FileOutputStream(f);
ObjectOutputStream objectOutputStream = new
ObjectOutputStream(fileOutputStream);
objectOutputStream.writeObject(deptManage1);
objectOutputStream.flush();
fileOutputStream.flush();
} catch (NotSerializableException e) {
System.out.print("Not serializable
exception\n");
} catch (IOException e1) {
System.out.print("Data file written
exception\n");
}
break;
case 'X':
//Deserialize DeptManagement from a File
System.out.print("Please enter a file name which we
will read from:\n");
filename = stdin.readLine().trim();
try {
/
********************************************************************************
****
*** Complete the follwing statement, read object from the data file and save
the object
as deptManage1
********************************************************************************
***/
FileInputStream fileInputStream = new
FileInputStream(filename);
ObjectInputStream objectInputStream = new
ObjectInputStream(fileInputStream);
DeptManagement management = (DeptManagement)
objectInputStream.readObject();
System.out.print(filename + " was read\n");
} catch (NotSerializableException e1) {
System.out.print("Not serializable
exception\n");
} catch (ClassNotFoundException e) {
System.out.print("Class not found exception\n");
} catch (IOException e3) {
System.out.print("Data file read exception\n");
}
break;
case '?':
//Display Menu
printMenu();
break;
default:
System.out.print("Unknown action\n");
break;
}
} else {
System.out.print("Unknown action\n");
}
} while (input1 != 'Q' || line.length() != 1);
} catch (IOException exception) {
System.out.print("IO Exception\n");
}
}
/**
* The method printMenu displays the menu to a user
**/
public static void printMenu() {
System.out.print("Choice\t\tAction\n" +
"------\t\t------\n" +
"A\t\tAdd a department\n" +
"C\t\tCreate a DeptManagement\n" +
"D\t\tSearch a department\n" +
"E\t\tSearch a faculty\n" +
"L\t\tList departments\n" +
"N\t\tSort by department names\n" +
"O\t\tSort by department faculty numbers\n" +
"P\t\tSort by current faculty name\n" +
"Q\t\tQuit\n" +
"R\t\tRemove a department\n" +
"T\t\tClose DeptManagement\n" +
"U\t\tWrite strings to a text file\n" +
"V\t\tRead strings from a text file\n" +
"W\t\tSerialize DeptManagement to a data file\n" +
"X\t\tDeserialize DeptManagement from a data file\n" +
"?\t\tDisplay Help\n");
}
}
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