ex1.java

讲述各种各样的java初始编程 了解编程

/*
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package chenchao4;

import java.io.*;
import java.util.*;

/**
 *
 * @author williechen
 */
public class Ex1 {

    private String fileName = new String();
    private ArrayList<String> lines = new ArrayList<String>();
    private HashMap<String, Integer> wordList = new HashMap<String, Integer>();

    private void loadFileIntoLines() {
        try {
            File file = new File(fileName);

            FileReader fReader = new FileReader(file);

            Scanner sc = new Scanner(fReader);

            while (sc.hasNextLine()) {
                lines.add(sc.nextLine());
            }

            sc.close();
            fReader.close();

        } catch (IOException ioe) {
            System.out.println(ioe.getStackTrace());
        }

    }

    private void scanALine(String s) {
        String patten = " " + ',' + ';' + '-' + '.' + '。'+ '、' + '，';
        StringTokenizer st = new StringTokenizer(s, patten);
        while (st.hasMoreTokens()) {            
            String word = st.nextToken();
            int count = 1;
            if (wordList.containsKey(word)) {
                count = wordList.get(word);
                count++;
                wordList.remove(word);
            }
            wordList.put(word, count);
        }
    }

    private void doStatistics() {
        for(String s : lines)
            scanALine(s);
        
        int wordSum = 0;
        
        Collection<Integer> countList = wordList.values();
        for(int i : countList)
            wordSum += i;
        int max = Collections.max(countList);
        
        System.out.println("Lines counts is :" + lines.size());
        System.out.println("The Total Words Counts is:" + wordSum);
        System.out.println("The words used max counts is :" + max);
        System.out.println("Below is the WordList:");
        System.out.println(wordList);
    }

    public Ex1(String fileName) {
        this.fileName = fileName;
    }

    public static void main(String[] args) {
        Ex1 t = new Ex1("D:\\cloze.txt");
        t.loadFileIntoLines();
        t.doStatistics();
    }
}