下面______组件可以不添加到容器中。

A．destroy()
B．init()
C．stop()
D．paint()

A．util.*;
import java.io.*;
class C15______

public iht a;
public void setInt(int newa)

a = newa;


public class Testl5

pulibc static void main(String[] args)

C15 obj = new C15();
try

FileOutputStream fos =newFileOutputStream("ch2\\filel5.txt");
ObjectOutputStream oos = ObjectOutputStream(fos);
Obj.setInt(10);
oos.writeObject(obj);
oos.close ();
fos.close();

catch(IOException ioe)

ioe.printStackTrace();


A. implements RunnableB. implements SedalizableC. extends SerializableD. implements InputStream