public static <T, T1> Map<T, T1> where(Map<T, T1> map, JFuncTT<Map.Entry<T, T1>, Boolean> func) {
try {
Map<T, T1> result = new HashMap<>();
for (Map.Entry<T, T1> el : map.entrySet())
if (func.invoke(el)) result.put(el.getKey(), el.getValue());
return result;
} catch (Exception ignore) {
return new HashMap<>();
}
}
public static <T, T1, T2> Map<T, T2> select(Map<T, T1> map, JFuncTT<T1, T2> func) {
try {
Map<T, T2> result = new HashMap<>();
for (Map.Entry<T, T1> el : map.entrySet())
result.put(el.getKey(), func.invoke(el.getValue()));
return result;
} catch (Exception ignore) {
return new HashMap<>();
}
}