Eroare de compilare: Main.java:21: error: class Bellman_Ford_Infoarena is public, should be declared in a file named Bellman_Ford_Infoarena.java public class Bellman_Ford_Infoarena { ^ Main.java:35: error: cannot find symbol Triplet <Integer,Integer,Integer> edge; ^ symbol: class Triplet location: class Bellman_Ford_Infoarena Main.java:36: error: cannot find symbol ArrayList <Triplet<Integer,Integer,Integer>> edges = new ArrayList<>(); ^ symbol: class Triplet location: class Bellman_Ford_Infoarena Main.java:36: error: unexpected type ArrayList <Triplet<Integer,Integer,Integer>> edges = new ArrayList<>(); ^ required: class found: <E>ArrayList<E> where E is a type-variable: E extends Object declared in class ArrayList Main.java:47: error: cannot find symbol edge = new Triplet<>(v1,v2,c); ^ symbol: class Triplet location: class Bellman_Ford_Infoarena Main.java:57: error: cannot find symbol for (Triplet<Integer,Integer,Integer> obj : edges) ^ symbol: class Triplet location: class Bellman_Ford_Infoarena Main.java:69: error: cannot find symbol for (Triplet<Integer,Integer,Integer> obj : edges) ^ symbol: class Triplet location: class Bellman_Ford_Infoarena 7 errors