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Java ¶ÁÈ¡Îı¾Îļþ

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
/**
* @author new
*
*/
public class ReadDataTest
{
/**
* @param args
*/
String url="D:/java.txt";
String str="";
char[] ch=new char[1024];
StringBuffer sb=new StringBuffer();
public String ReadData()
{
try
{
FileReader fr=new FileReader(new File(url));
int d = fr.read(ch);
while(d!=-1)
{
String s=new String(ch,0,d);
sb.append(s);
d = fr.read(ch);
}
str=sb.toString();
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return str;

}
public static void main(String[] args)
{
ReadDataTest at=new ReadDataTest();
String ss=at.ReadData();
System.out.println(ss);
}
}


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