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//JavaµÄIOµÄÒ»¸öʵÀý
import java.io.*;
import java.util.zip.*;
public class abc5{
 String temp=new String();
 String t=new String();
 public void readByLinefromConsoleAndPrint(){
  System.out.println("==´Ó¿ØÖÆÌ¨»ñµÃÊäÈë==");
  try{
   BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
   System.out.println("ÇëÊäÈëÒ»ÐÐ×Ö·û£º");
   System.out.println(temp=in.readLine());
  }
  catch(IOException e){
   e.printStackTrace();
  }
 }
 public void readByLinefromFileAndPrint(){
  System.out.println("==´ÓÎļþ»ñµÃÊäÈë==");
  try{
   BufferedReader in=new BufferedReader(new FileReader("abc.dat"));
   temp="";
   String s=new String();
   while((s=in.readLine())!=null)
      temp+=s+"\n";
      in.close();
      System.out.println(temp);
     }
     catch(FileNotFoundException e){
     e.printStackTrace();
     }
     catch(IOException e){
     e.printStackTrace();
     }
 }
 public void readfromMemoryAndPrint(){
  System.out.println("==´ÓÄÚ´æ»ñµÃÊäÈë==");
  try{
   StringReader stringReader=new StringReader(temp);
   int t;
   while((t=stringReader.read())!=-1)
   System.out.println((char)t);
  }
  catch(IOException e){
   e.printStackTrace();
  }
 }
 public void writeToFile()
 {
  System.out.println("==ÎļþÊä³öÁ÷==");
  try{
   BufferedReader in=new BufferedReader(new StringReader(temp));
   PrintWriter out=new PrintWriter(new BufferedWriter(new FileWriter("abc.dat")));
   while((t=in.readLine())!=null)
   o


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