下列程序将类C15的对象写入文件file15.txt,选择正确的语句填入下列程序的横线处。 package ch2; import jav
A. util.*;
B. import java.io.*;
C. class C15______
D. public iht a;
E. public void setInt(int newa)
F. a = newa;
G. public class Testl5
H. pulibc static void main(String[] args)
I. C15 obj = new C15();
J. try
K. FileOutputStream fos =newFileOutputStream("ch2\\filel5.txt");
L. ObjectOutputStream oos = ObjectOutputStream(fos);
M. Obj.setInt(10);
N. oos.writeObject(obj);
O. oos.close ();
P. fos.close();
Q. catch(IOException ioe)
R. ioe.printStackTrace();
S. A. implements RunnableB. implements SedalizableC. extends SerializableD. implements InputStream