import java.io.BufferedReader; 
import java.io.File; 
import java.io.FileInputStream; 
import java.io.FileNotFoundException; 
import java.io.FileReader; 
import java.io.IOException; 
 
public class File_Test { 
 
 /** 
  * @param args 
  */ 
 public static void main(String[] args) { 
  File file = new File("D:\\logserrorMsg.log"); 
  if(file.exists()){ 
   System.out.println("此文件存在"); 
  } else { 
   System.out.println("此文件不存在"); 
  } 
   
  try { 
   FileReader fr = new FileReader(file); 
   BufferedReader br = new BufferedReader(fr); 
   String s; 
   while((s=br.readLine())!=null){ 
    System.out.println(s); 
   } 
   System.out.println("文件大小為（MB）："+new FileInputStream(file).available() / 1024 / 1024 +"M"); 
  } catch (FileNotFoundException e) { 
   e.printStackTrace(); 
  } catch (IOException e) { 
   e.printStackTrace(); 
  } 
 } 
 
} 

import java.io.FileInputStream; 
 
import org.textmining.text.extraction.WordExtractor; 
 
public class WordTest { 
 public static void main(String args[]) throws Exception { 
  new WordTest().readByOther(); 
 } 
 
 public void readByText() throws Exception { 
  FileInputStream in = new FileInputStream("C://test.doc "); 
  WordExtractor extractor = new WordExtractor(); 
  String str = extractor.extractText(in); 
  System.out.println(str); 
 } 
}