转载http://www.mkyong.com/java/how-to-delete-file-in-java/
public class DeleteFileExample
{
public static void main(String[] args)
{
try{
File file = new File("c:\\logfile20100131.log");
if(file.delete()){
System.out.println(file.getName() + " is deleted!");
}else{
System.out.println("Delete operation is failed.");
}
}catch(Exception e){
e.printStackTrace();
}
}
}
