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Konstruktoren eingefügt.

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hummel 2025-12-04 12:25:52 +01:00
parent 30423d74ef
commit 89050ee059
2 changed files with 21 additions and 9 deletions
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16
src/HochschulVerwaltung.java
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@ -5,11 +5,11 @@ public class HochschulVerwaltung {
public static void main(String[] args) { public static void main(String[] args) {
ArrayList<Student> studis = new ArrayList<Student>(); ArrayList<Student> studis = new ArrayList<Student>();
Student s1 = new Student(); Student s1 = new Student("Markus", "Müller", "UIB", 123456);
s1.vorname = "Markus"; // s1.vorname = "Markus";
s1.name = "Müller"; // s1.name = "Müller";
s1.studiengang = "UIB"; // s1.studiengang = "UIB";
s1.mnr = 123456; // s1.mnr = 123456;
studis.add(s1); studis.add(s1);
@ -18,7 +18,7 @@ public class HochschulVerwaltung {
s1.vorname = "Markus"; s1.vorname = "Markus";
s1.name = "Müller"; s1.name = "Müller";
s1.studiengang = "IMB"; s1.studiengang = "IMB";
s1.mnr = 234567; s1.matrikelnummer = 234567;
studis.add(s1); studis.add(s1);
@ -31,7 +31,7 @@ public class HochschulVerwaltung {
// Wir müssen ihn an Hand seiner MNr aus der Liste heraussuchen // Wir müssen ihn an Hand seiner MNr aus der Liste heraussuchen
for (Student s : studis) for (Student s : studis)
if (s.mnr == 123456) { if (s.matrikelnummer == 123456) {
s.name = "Kaiser"; s.name = "Kaiser";
break; break;
} }
@ -41,7 +41,7 @@ public class HochschulVerwaltung {
System.out.println(s.vorname); System.out.println(s.vorname);
System.out.println(s.name); System.out.println(s.name);
System.out.println(s.studiengang); System.out.println(s.studiengang);
System.out.println(s.mnr); System.out.println(s.matrikelnummer);
System.out.println("---"); System.out.println("---");
} }
} }

14
src/Student.java
View File

@ -2,5 +2,17 @@ public class Student {
String vorname; String vorname;
String name; String name;
String studiengang; String studiengang;
int mnr; int matrikelnummer;
public Student() {
System.out.println("Default-Constructor");
}
public Student(String vorname, String name, String studiengang, int matrikelnummer) {
System.out.println(vorname);
this.vorname = vorname;
this.name = name;
this.studiengang = studiengang;
this.matrikelnummer = matrikelnummer;
}
} }