(A253f)下列代码实现了以对象流方式从score.txt 文件读出数据的功能。下划线处应填入的代码是( )。 import java.io.*; public class testIn { public static void main(String[ ] args) { try { ObjectInputStream in = new ObjectInputStream( new FileInputStream(“score . txt” )); int [ ] pdata= new int [ 3 ]; pdata = ( int [ ]) in.__________( ); in.close ( ); } catch ( Exception e ){ e.printStackTrace ( ); } } }