我尝试编译java程序，但在代码的导入部分失败：
import java.net.*;
import java.io.*;
import java.util.*;
import java.text.*;
import java.awt.*;
//import java.awt.image.*;
import java.awt.event.*;
//import java.awt.image.renderable.*;
import javax.swing.*;
import javax.swing.border.*;
//import javax.swing.border.EtchedBorder;
//import javax.media.jai.*;
//import javax.media.jai.operator.*;
//import com.sun.media.jai.codec.*;
//import java.lang.reflect.*;
我如何在linux debian机器中解决问题？感谢
Java Compiler Compiler Version 4.1d1 (Parser Generator)
(type "javacc" with no arguments for help)
Reading from file SAVE.JSigpac.java . . .
org.javacc.parser.ParseException: Encountered " "import" "import "" at line 443, column 1. Was expecting: "PARSER_BEGIN" ...
Detected 1 errors and 0 warnings.