Java - error que no caxo :s

error que no entiendo

-------------------Configuration: <Default>--------------------
Note: C:\DOCUME~1\PACKAR~1\CONFIG~1\Temp\Rar$DI00.859\Edit2.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: C:\DOCUME~1\PACKAR~1\CONFIG~1\Temp\Rar$DI00.859\Edit2.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

Process completed.

Hola,

No es un error, son notas, como sugerencias para que recompiles tu código de otra manera porque posteriormente "podrían" surgir errores.

Saludos