JPanel x = new JPanel();
ArrayList<Integer> a = new ArrayList<Integer>(); a.add(Integer.valueOf(1)); a.add(3); a.add(2, 1); System.out.println(a);
HashSet<String> a = new HashSet<String>(); a.add("Irina"); a.add("Ada"); a.remove("Ada"); a.add("Zaya"); System.out.print(a.size());
Iterator<Character> i = col.iterator(); while (i.hasNext()) System.out.print(i.next() + ", ");
Iterator<Integer> i = col.iterator(); while (i.hasNext()) System.out.print(i.next() + ", ");
Statement stmt = conn.createStatement();
Connection conn = DriverManager.getConnection("jdbc://mysql/upt.ro/db", "stud", "stud");
Class.forName("conn.mysql.cj.jdbc.Driver")
Class.forName("com.mysql.cj.jdbc.Driver");
Connection conn = DriverManager.getConnection("jdbc:mysql://upt.ro/db", "stud", "stud");
TreeMap<Character, Integer> a = new TreeMap<Character, Integer>(); a.put('D', 1); a.put('B', 2); a.put('A', 3); a.put('A', 2); System.out.print(a.values());
ArrayList<Integer> a = new ArrayList<Integer>(); a.add(1); a.add(3); a.add(2); a.remove(1); System.out.print(a);
ArrayList<Integer> a = new ArrayList<Integer>(); a.add(1); a.add(3); a.add(2); a.set(1, 1); System.out.print(a);
ResultSet rs = stmt.executeQuery("SELECT id, nume from studenti LIMIT 2"); while(rs.next()) System.out.print(rs.getInt("id") + ", ");
ResultSet rs = stmt.executeQuery("SELECT id, nume from orase LIMIT 2"); while(rs.next()) System.out.print(rs.getObject(1) + ", ");
SELECT idTutor, numeTutor, gradTutor, birouTutor FROM tutori LIMIT 3
DROP TABLE studenti
UPDATE cursuri SET denumireCurs="OOP" WHERE denumireCurs="POO"
JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel(); panel.add(new JLabel("Button"));
Facultate etti = new Facultate("ETTI", "VP2"); Set<Student> a = new HashSet<Student>(); a.add(new Student("Popescu V", 23, etti, 2)); a.add(new Student("Chera C", 24, etti, 3)); System.out.print(a.size()+1);
HashSet<Integer> a = new HashSet<Integer>(); a.add(1); a.add(2); a.add(3); System.out.print(!a.contains(1));
HashSet<Integer> a = new HashSet<Integer>(); a.add(1); a.add(2); a.add(3); HashSet<Integer> b = new HashSet<Integer>(); b.add(1); b.add(2); a.addAll(b); System.out.print(a);
HashMap<String, String> a = new HashMap<String, String>(); a.put("nume", "Ionescu"); a.put("prenume", "Maria"); a.put("nume", "Pop"); System.out.print(a.get("nume"));
LinkedList<String> a = new LinkedList<String>(); a.add("A"); a.add("B"); a.add("C"); a.get(1) System.out.print(a);
LinkedList<String> a = new LinkedList<String>(); a.add("India"); a.add("Israel"); a.add("Iran"); System.out.print(a.subList(1, 3));
Exception IOException ProtocolException InterruptedException
Exception RuntimeException IOException EOFException
https:jdbc://stud.cm.upt.ro.ro:3306/universitate
jdbc:mysql://stud.cm.upt.ro.ro:33061/universitate?user=stud&password=stud
jdbc:mysql://192.226.10.120/universitate
jdbc:mysql://81.181.101.100:3306/sakila
mysql:jdbc://data.virtualcampus.ro/sakila
jdbc:mysql://data.virtualcampus.ro/sakila?user=airman&password=pass