there I'm pretty new to Java and have german class and method titles. This Code is meant to give a string output for every class extending "Musiker". I have already looked on SO but my problem is that changing it to static gives an error on the class itself. The main reason why I open a new Question is, that every other class is working as planned. And please don't wonder why the Strings look weird, the Book I copied this from is meant to be humoristic.
public class Proberaum {
public static void main(String[] args) {
try {
Musiker saenger = new Saenger();
Musiker gitarrist = new Gitarrist();
Musiker bassist = new Bassist();
Musiker trompeter = new Trompeter();
Musiker backgroundSaengerin = new BackgroundSaengerin();
machtMusik(saenger, gitarrist, bassist, trompeter, backgroundSaengerin);
} catch(Exception e) {
new Exception().printStackTrace();
}
}
public static void machtMusik(Musiker... gruppe) {
for(Musiker musiker : gruppe) {
musiker.musizieren();
}
}
public class Musiker {
private String name;
private int alter;
private Band band;
public void musizieren() {
System.out.println("OO Mmmmmmmmh, OO Mmmmmmmmh");
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAlter() {
return alter;
}
public void setAlter(int alter) {
this.alter = alter;
}
public Band getBand() {
return band;
}
public void setBand(Band band) {
this.band = band;
}
}
public class Band {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
public class Saenger extends Musiker {
@Override
public void musizieren() {
this.singen();
}
public void singen() {
System.out.println("Oh, bäbi, juuuu a mei sannnnscheiiiiin");
}
}
public class BackgroundSaengerin extends Saenger {
}
public class Bassist extends Musiker {
}
public class Gitarrist extends Musiker {
public void musizieren() {
System.out.println("Tschiiiiiingzäääängggggg");
}
}
public class Trompeter extends Musiker {
}
}