public boolean containsKey(Bauernhof b) {
BauernhofIterator it = new BauernhofIterator(this.keys);
Bauernhof elem = null;
while (it.hasNext()) {
elem = it.getNext();
if (elem.getName().equals(b.getName())) return true;
}
return false;
// returns whether specific key is in map or not
}
public String toString() {
StringBuffer buf = new StringBuffer();
BauernhofIterator it = new BauernhofIterator(this.keys);
Bauernhof b = null;
buf.append("Map enthaelt: \n");
while (it.hasNext()) {
b = it.getNext();
buf.append("KEY: " + b.getName());
buf.append('\n');
buf.append("VALUES:\n" + b.getTraktorList().toString());
buf.append('\n');
}
return buf.toString();
}