Eroare de compilare: Main.java:1: error: package javafx.util does not exist import javafx.util.Pair; ^ Main.java:19: error: cannot find symbol private static HashMap<Pair<Integer, Integer>, Integer> ponderi = new HashMap<>(); ^ symbol: class Pair location: class Main Main.java:19: error: unexpected type private static HashMap<Pair<Integer, Integer>, Integer> ponderi = new HashMap<>(); ^ required: class found: <K,V>HashMap<K,V> where K,V are type-variables: K extends Object declared in class HashMap V extends Object declared in class HashMap Main.java:38: error: cannot find symbol ponderi.put(new Pair<>(a, b), c); ^ symbol: class Pair location: class Main Main.java:53: error: cannot find symbol if (node.dist != INFINITY && ponderi.containsKey(new Pair<>(node.vertex, i))) { ^ symbol: class Pair location: class Main Main.java:55: error: cannot find symbol int alt = node.dist + ponderi.get(new Pair<>(node.vertex, i)); ^ symbol: class Pair location: class Main 6 errors