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Java IO ²Ù×÷ InputStream

 import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
public class TestIO {
public static void main(String[] args) {
String fileName="E://test.txt";
testInputStream(fileName);
}

public static void testInputStream(String fileName){
File file=new File(fileName);
try {
InputStream is=new FileInputStream(file);
int temp;
while((temp=is.read())!=-1){
System.out.print((char)temp);
}

} catch (Exception e) {
e.printStackTrace();
}
}
}
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import javax.comm.*;
import java.util.*;
import java.io.*;
import org.smslib.*;
public class smsModem
{
    private static  LinkedList<COutgoingMessage> msgList = new LinkedList<COutgoingMessage>();
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<channels>
<channel switchTime="20080101000101" k="1.07" n="6" s="55" channelId="0404" channelName="xxxx.xxxx.xxx.cn"/>
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/**
* Title: ConnectPool.java
* Description: Á¬½Ó³Ø¹ÜÀíÆ÷
* Copyright: Copyright (c) 2002/12/25
* Company:
* Author :
* Version 2.0
*/
import java.io.*;
import java.sql.*;
import java.util.*;
import java.util.Date;
/**
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