整理文档案

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;


public class removeNone {
	
	

	  
	public static void main(String[] args) {
		Map<String,Integer> myMap=new HashMap<String,Integer>();
		int number=0;
	try {//try
		File wFile = new File("D:\\b+.txt");
		BufferedWriter output = new BufferedWriter(new FileWriter(wFile));

		int[] count=new int[2];
		
		for(int j=1;j<3;j++){//for1
			count[j-1]=0;
		BufferedReader input = new BufferedReader(new FileReader(
				"D:\\"+j+".txt"));

		String line = null;
		
		while ((line = input.readLine())!= null) {

			String data[] = line.split("\t");
            String myString=data[0]+";"+data[1];
            if(myMap.containsKey(myString)){
            	int myValue=myMap.get(myString);
            	myValue++;
            	myMap.remove(myString);
            	myMap.put(myString, myValue);
            }else
            	myMap.put(myString, 1);
			
			}//while
        
		
		}//for1
	     Set<String> myKey=myMap.keySet();

		Iterator<String> myIterator=myKey.iterator();
		while(myIterator.hasNext()){
		  System.out.println(number++);
		  String aKey=(String)myIterator.next();
		  output.write(aKey+";"+myMap.get(aKey)+"\n");
		}
		
		output.close();
	} catch (IOException e) {
		e.printStackTrace();
	}

}

}