public class Studentenverwaltung {

    public static void main(String[] args) {

    int stud1_matrikel = 20001,
        stud1_day = 2,
        stud1_month = 3,
        stud1_year = 1989,
        stud1_study = 1;

    int stud2_matrikel = 20004,
        stud2_day = 2,
        stud2_month = 3,
        stud2_year = 1989,
        stud2_study = 1;

    int stud3_matrikel = 20006,
        stud3_day = 2,
        stud3_month = 3,
        stud3_year = 1989,
        stud3_study = 3;

    int stud4_matrikel = 20008,
        stud4_day = 2,
        stud4_month = 3,
        stud4_year = 1989,
        stud4_study = 5;

    int stud5_matrikel = 20021,
        stud5_day = 2,
        stud5_month = 3,
        stud5_year = 1989,
        stud5_study = 2;

    System.out.println("_____________________________________");
    System.out.println("Matrikelnummer: " + stud1_matrikel);

    if (stud1_study == 1)       System.out.println("Studiengang: Informatik");
    else if (stud1_study == 2)  System.out.println("Studiengang: Wirtschaftsinformatik");
    else if (stud1_study == 3)  System.out.println("Studiengang: Medieninformatik");
    else if (stud1_study == 4)  System.out.println("Studiengang: Systemintergration");
    else                        System.out.println("Studiengang: Mediendesign");

    if (stud1_study == 1 || stud1_study == 1 || stud1_study == 3) System.out.println("Fachbereich: 1");
    else System.out.println("Fachbereich: 2");

    System.out.println("_____________________________________");

    }

}