Marius

package Proiect;

import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Scanner;
import java.util.Set;
import java.util.StringTokenizer;

/**
 *
 * @author Nan Mihai
 */
public class Aplicatie extends ArraySet {
    public static void printMenu() {
        System.out.println("1. Add an item");
        System.out.println("2. Remove");
        System.out.println("3. Search");
        System.out.println("4. Print items from collection");
        System.out.println("5. Save collection data to file");
        System.out.println("6. Load data from file");
    }

    public static void main(String args[]) throws IOException{
        ArraySet vect = new ArraySet();
        int k;
        Scanner in = new Scanner(System.in);
        printMenu();
        String text;
        text = in.nextLine();
        while(text.compareTo("exit") != 0)
        {
            k = Integer.parseInt(text);
            if(k == 1) {
                Student s1;
                String name, aux;
                int age;
                float mark;
                System.out.print("Name: ");
                name = in.nextLine();
                System.out.print("Age: ");
                aux = in.nextLine();
                age = Integer.parseInt(aux);
                System.out.print("Mark: ");
                aux = in.nextLine();
                mark = Float.parseFloat(aux);
                s1 = new Student(name, age, mark);
                vect.add(s1);
            } else if(k == 2) {
                Student s1;
                String name, aux;
                int age;
                float mark;
                System.out.print("Name: ");
                name = in.nextLine();
                System.out.print("Age: ");
                aux = in.nextLine();
                age = Integer.parseInt(aux);
                System.out.print("Mark: ");
                aux = in.nextLine();
                mark = Float.parseFloat(aux);
                s1 = new Student(name, age, mark);
                vect.remove(s1);
            } else if(k == 3) {
                Student s1;
                String name, aux;
                int age;
                float mark;
                System.out.print("Name: ");
                name = in.nextLine();
                System.out.print("Age: ");
                aux = in.nextLine();
                age = Integer.parseInt(aux);
                System.out.print("Mark: ");
                aux = in.nextLine();
                mark = Float.parseFloat(aux);
                s1 = new Student(name, age, mark);
                if(vect.contains(s1) == true) {
                    System.out.println("Exist!");
                } else {
                    System.out.println("Not exist!");
                }
            } else if(k == 4) {
                for(Iterator i = vect.iterator(); i.hasNext(); ) {
                    Student val = (Student) i.next();
                    System.out.println(val);
                }
            } else if(k == 5) {
                String nume = "cale/nume_fisier.txt";
                try (RandomAccessFile raf = new RandomAccessFile(nume, "w")) {
                    for(Iterator i = vect.iterator(); i.hasNext(); ) {
                        Student val = (Student) i.next();
                        raf.writeChars(val.toString());
                    }
                    raf.close();
                }
            } else if(k == 6) {
                String nume;
                nume = "cale//nume_fisier.txt";
                try (RandomAccessFile raf = new RandomAccessFile(nume, "r")) {
                    String s;
                    String name = "";
                    int age = 20;
                    float mark = 10;
                    Student s1;
                    while((s = raf.readLine()) != null) {
                        StringTokenizer st = new StringTokenizer(s, " ");
                        while(st.hasMoreTokens()) {
                            String token = st.nextToken();
                            s1 = new Student(name, age, mark);
                            //prelucrezi token-ul cum am facut eu la prima sa scoti name / age / mark

                            vect.add(s1);
                        }
                    }
                }

            }
            printMenu();
            text = in.nextLine();
        }

    }
}