Eroare de compilare: Main.java:4: error: class a_plus_b is public, should be declared in a file named a_plus_b.java public class a_plus_b { ^ Main.java:8: error: cannot find symbol var fileIn = new Scanner(new FileReader("adunare.in")); ^ symbol: class var location: class a_plus_b Main.java:9: error: cannot find symbol var fileOut = new BufferedWriter(new FileWriter("adunare.out")); ^ symbol: class var location: class a_plus_b 3 errors Non zero exit status: 1