Whats wrong?
package de.codegym.task.task08.task0817;
import java.util.HashMap;
import java.util.Map;
import java.util.ArrayList;
/*
Wir brauchen keine Wiederholungen
*/
public class Solution {
public static HashMap<String, String> mapErstellen() {
HashMap<String, String> map = new HashMap<String, String>();
map.put("artur","brian");
map.put("bruce","cross");
map.put("chris","drake");
map.put("drug","ben");
map.put("rose","blue");
map.put("egomane","brick");
map.put("freddy","bite");
map.put("grade","blass");
map.put("hose","biss");
map.put("candy","brandon");
return map;
}
public static void doppelteVornamenEntfernen(Map<String, String> map) {
HashMap<String, String> kopie = new HashMap<String, String>(map);
for(Map.Entry<String, String> paar : kopie.entrySet()) {
elementNachWertAusMapEntfernen(kopie, paar.getValue());
}
}
public static void elementNachWertAusMapEntfernen(Map<String, String> map, String wert) {
HashMap<String, String> kopie = new HashMap<String, String>(map);
ArrayList<String> list = new ArrayList<String>();
for (Map.Entry<String, String> paar : kopie.entrySet()) {
if (paar.getValue().equals(wert)) {
list.add(paar.getKey());
}
}
if(list.size() > 1){
for(String s : list) {
map.remove(s);
}
}
while(list.size() > 0) {
list.remove(0);
}
}
public static void main(String[] args) {
}
}