UML diagram for the java code below public class CourseDBManager implements CourseDBManagerInterface { private CourseDBStructure dataMgr = new CourseDBStructure(20); public void readFile(File inputFile) throws FileNotFoundException{ try { Scanner fileData = new Scanner(inputFile); while(fileData.hasNext()) { String id = fileData.next(); int crn = fileData.nextInt(); int numCredits = fileData.nextInt(); String roomNum = fileData.next(); String instructor = fileData.nextLine(); add(id, crn, numCredits, roomNum, instructor); } fileData.close(); } catch(FileNotFoundException e) { System.out.print("File not found"); e.getMessage(); } } public void add(String id, int crn, int credits, String roomNum, String instructor) { CourseDBElement newElement = new CourseDBElement(id, crn, credits, roomNum, instructor); dataMgr.add(newElement); } public ArrayList showAll() { ArrayList list = new ArrayList(); for(int i = 0; i < dataMgr.getTableSize(); i++) { LinkedList tempList = dataMgr.hashTable[i]; if(tempList != null) { for(int j = 0; j < tempList.size(); j++) { CourseDBElement element = tempList.get(j); list.add(element.toString()); } } } return list; } public CourseDBElement get(int crn) throws IOException { try { return dataMgr.get(crn); } catch (IOException e) { e.getMessage(); } return null; } }

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

Related questions

Question

UML diagram for the java code below

public class CourseDBManager implements CourseDBManagerInterface {

	private CourseDBStructure dataMgr = new CourseDBStructure(20);

	public void readFile(File inputFile) throws FileNotFoundException{
	try {
	Scanner fileData = new Scanner(inputFile);
	while(fileData.hasNext()) {
	String id = fileData.next();
	int crn = fileData.nextInt();
	int numCredits = fileData.nextInt();
	String roomNum = fileData.next();
	String instructor = fileData.nextLine();
	add(id, crn, numCredits, roomNum, instructor);
	}
	fileData.close();
	}
	catch(FileNotFoundException e) {
	System.out.print("File not found");
	e.getMessage();
	}

	}

	public void add(String id, int crn, int credits, String roomNum, String instructor) {

	CourseDBElement newElement = new CourseDBElement(id, crn, credits, roomNum, instructor);
	dataMgr.add(newElement);

	}

	public ArrayList<String> showAll() {
	ArrayList<String> list = new ArrayList<String>();

	for(int i = 0; i < dataMgr.getTableSize(); i++) {
	LinkedList<CourseDBElement> tempList = dataMgr.hashTable[i];

	if(tempList != null) {
	for(int j = 0; j < tempList.size(); j++) {
	CourseDBElement element = tempList.get(j);
	list.add(element.toString());
	}
	}
	}

	return list;

	}

	public CourseDBElement get(int crn) throws IOException {
	try {
	return dataMgr.get(crn);
	} catch (IOException e) {
	e.getMessage();
	}
	return null;
	}

	}