Eroare de compilare: Main.java:21: error: class Infoarena is public, should be declared in a file named Infoarena.java public class Infoarena{ ^ Main.java:29: error: class Coordinate is public, should be declared in a file named Coordinate.java public class Coordinate { ^ Main.java:52: error: class Map is public, should be declared in a file named Map.java public class Map { ^ Main.java:1: error: package com.sun.istack.internal does not exist import com.sun.istack.internal.Nullable; ^ Main.java:8: error: package com.sun.istack.internal does not exist import com.sun.istack.internal.Nullable; ^ Main.java:9: error: package sun.plugin.javascript.navig does not exist import sun.plugin.javascript.navig.Array; ^ Main.java:127: error: cannot find symbol @Nullable ^ symbol: class Nullable location: class Map 7 errors