在下列程序的空白处,应填入的正确选项是( )。 Import java.io.*; Pulilc class ObjectStreamTest{ Publilc static void main(string args[])throws IOEx- ception{ OhiectOutputStream os=new OhjectOutputStream (new FileOutputStream("serial.bin")); Java.util.Date d=new Java.util.Date; Oos (d); ObjectInputStream is= new OhjectlnputStream(new FileOutputStream("serial. bin")); try{ java.util.date restoredDate= (Java.util.Date)ois.readObject; System.out.println ("read object back from serial.bin file:" +restoredDate); } Catch(ClassNotFoundException cnf){ System.out.println("class not found"); } }A.WriterObjectB.WriterC.BufferedWriterD.writerObject

在下列程序的空白处,应填入的正确选项是( )。 Import java.io.*; Pulilc class ObjectStreamTest{ Publilc static void main(string args[])throws IOEx- ception{ OhiectOutputStream os=new OhjectOutputStream (new FileOutputStream("serial.bin")); Java.util.Date d=new Java.util.Date; Oos (d); ObjectInputStream is= new OhjectlnputStream(new FileOutputStream("serial. bin")); try{ java.util.date restoredDate= (Java.util.Date)ois.readObject; System.out.println ("read object back from serial.bin file:" +restoredDate); } Catch(ClassNotFoundException cnf){ System.out.println("class not found"); } }

A.WriterObject

B.Writer

C.BufferedWriter

D.writerObject


相关考题:

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单选题在下列程序的空白处,应填入的正确选项是(  )。import java.io.*;public class ObjectStreamTest{public static void main(string args[])throws IOException{ ObjectOutputStream oos=new ObjectOutputStream(new FileOutputStream("serial.bin")); Java.until.Date d=new Java.until.Date(); oos.______(); ObjectInputStream ois=new ObjectlnputStream(new FileOutputStream("serial.bin")); try{ java.until.date restoredDate=(Java.until.Date)ois.readObject(); System.out.println("read object back from serial.bin file:"+restoredDate); } catch(ClassNotFoundException cnf){ System.out.println("class not found"); }}AreadObjectBWriterCBufferedWriterDwriteObject