Uses the SuppressWarnings annotation type to prevent the compiler from issuing unchecked and fallthrough warnings
import java.io.File; import java.io.Serializable; import java.util.ArrayList; @SuppressWarnings (value={"unchecked", "serial"}) public class SuppressWarningsTest implements Serializable { public void openFile () { ArrayList a = new ArrayList (); File file = new File ("X:/java/doc.txt"); } }