is in team

src/fußballmanager/Team.java

@@ -8,4 +8,12 @@ public class Team {
 	Spieler[] spieler = new Spieler[10];
 	Torwart torwart;
 	int siege;
+	
+	public boolean isInTeam(Person p){
+		for(Person pp:spieler){
+			if(p.equals(pp)) return true;
+		}
+		if(torwart.equals(p)) return true;
+		return false;
+	}
 }

src/fußballmanager/personen/Person.java

@@ -14,4 +14,8 @@ public abstract class Person {
 	public Team getTeam(){
 		return team;
 	}
+	
+	public boolean isInTeam(Person p){
+		return team.isInTeam(p);
+	}
 }