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");
}
}