代码

public class TransientTest
{
public static void main(String[] args)
{
LabeledPoint label = new LabeledPoint("Book", 5.00, 5.00);
try
{
System.out.println(label);//写入前
ObjectOutputStream out = new ObjectOutputStream(new
FileOutputStream("Label.txt"));
out.writeObject(label);
out.close();

System.out.println(label);//写入后

ObjectInputStream in = new ObjectInputStream(new
FileInputStream("Label.txt"));
LabeledPoint label1 = (LabeledPoint)in.readObject();
in.close();
System.out.println(label1);//读出并加1.0后
}
catch (Exception e)
{
e.printStackTrace();
}
}

}}

 
public class TransientTest
{
    public static void main(String[] args)
    {
        LabeledPoint label = new LabeledPoint("Book", 5.00, 5.00);
        try
        {
            System.out.println(label);//写入前
            ObjectOutputStream out = new ObjectOutputStream(new
                FileOutputStream("Label.txt"));
            out.writeObject(label);
            out.close();
           
            System.out.println(label);//写入后
           
            ObjectInputStream in = new ObjectInputStream(new
                FileInputStream("Label.txt"));
            LabeledPoint label1 = (LabeledPoint)in.readObject();
            in.close();
            System.out.println(label1);//读出并加1.0后
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }
   
}

}