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1. import java.io.*;  2. public class Foo implements Serializable {  3. public int x, y;  4. public Foo( int x, int y) { this.x = x; this.y = y; }  5.  6. private void writeObject( ObjectOutputStream s)  7. throws IOException {  8. s.writeInt(x); s.writeInt(y)  9. }  10.  11. private void readObject( ObjectInputStream s)  12. throws IOException, ClassNotFoundException {  13.  14. // insert code here  15.  16. }  17. }  Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?() 

  • A、 s.defaultReadObject();
  • B、 this = s.defaultReadObject();
  • C、 y = s.readInt(); x = s.readInt();
  • D、 x = s.readInt(); y = s.readInt();

参考答案

更多 “ 1. import java.io.*;  2. public class Foo implements Serializable {  3. public int x, y;  4. public Foo( int x, int y) { this.x = x; this.y = y; }  5.  6. private void writeObject( ObjectOutputStream s)  7. throws IOException {  8. s.writeInt(x); s.writeInt(y)  9. }  10.  11. private void readObject( ObjectInputStream s)  12. throws IOException, ClassNotFoundException {  13.  14. // insert code here  15.  16. }  17. }  Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?() A、 s.defaultReadObject();B、 this = s.defaultReadObject();C、 y = s.readInt(); x = s.readInt();D、 x = s.readInt(); y = s.readInt();” 相关考题
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