javac Sopra.java Sopra.java:10: cannot find symbol symbol : method metodo1(int) location: class java.lang.Object o. metodo1(10); return o;} ^ Sopra.java:10: incompatible types found : java.lang.Object required: Sopra o. metodo1(10); return o;} ^ Sopra.java:22: a has private access in Sopra {d = a[0]; } ^ Sopra.java:31: c has private access in Sopra f.c = 10; ^ Sopra.java:32: incompatible types found : Sopra required: Sotto g = f; ^ 5 errors