WordCount

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class WordCount {
    private int charCount;   
    private int wordCount;   
    private int lineCount; 



    public WordCount(int charCount,int wordCount,int lineCount){
        this.charCount=charCount;
        this.wordCount=wordCount;
        this.lineCount=lineCount;
    }

    public int getCharCount() {
        return charCount;
    }
    public void setCharCount(int charCount) {
        this.charCount = charCount;
    }
    public int getWordCount() {
        return wordCount;
    }
    public void setWordCount(int wordCount) {
        this.wordCount = wordCount;
    }

    public int getLineCount() {
        return lineCount;
    }
    public void setLineCount(int lineCount) {
        this.lineCount = lineCount;
    }
    //main
    public static void main(String[] args) throws IOException{
        WordCount WC=new WordCount(0,0,0);
        String inputFile="file.c";
        String outputFile="result.txt";
        for(int i=0;i<args.length;i++){
            if(args[i].endsWith(".c"))
                inputFile=args[i];
        
            if(args[i].equals("-o"))
                outputFile=args[i+1];
        }

        WC.wc(inputFile);

        for(int i=0;i<args.length;i++)
        {
            switch(args[i]){
                case "-c":{
                    System.out.println(inputFile+",字符数:" + WC.getCharCount());
                    break;
                }
                case "-w":{
                    System.out.println(inputFile+",单词数:" + WC.getWordCount());
                    break;
                }
                case "-l":{
                    System.out.println(inputFile+",行数:" + WC.getLineCount());
                    break;
                }
                case "-o":{
                    String outTxt="";
                    for(int j=0;j<args.length;j++){
                        if(args[j].equals("-c"))
                            outTxt=outTxt+"\r\n"+inputFile+",字符数:" + WC.getCharCount();
                        if(args[j].equals("-w"))
                            outTxt=outTxt+"\r\n"+inputFile+",单词数:" + WC.getWordCount();
                        if(args[j].equals("-l"))
                            outTxt=outTxt+"\r\n"+inputFile+",行数:" + WC.getLineCount();
                    }

                    File outputName = new File(outputFile);
                    outputName.createNewFile();
                    BufferedWriter out = new BufferedWriter(new FileWriter(outputName));
                    out.write(outTxt);
                    out.flush();
                    out.close();
                    break;
                }
            }
        }
    }

    public void wc(String inputFile) throws IOException{
        String lineString = null;
        String[] buffer;
        File dir=new File(inputFile);
        BufferedReader bf = new BufferedReader(new FileReader(dir)); 
        while((lineString=bf.readLine())!=null){
            buffer=lineString.split(",| "); 
            for(int i=0;i<buffer.length;i++){
                if(!buffer[i].equals(""))
                    wordCount++;
            }
            lineCount++;
            charCount+=lineString.length();
        }
        bf.close();
    }
}