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import java.io.*;
/**
* ×Ö·ûÁ÷²âÊÔ
*
* @author leizhimin 2008-8-27 22:16:44
*/
public class TestIOStream {
    public static void main(String[] args) {
        testReaderWriter();
        testLineNumberReader();
    }
    /**
     * ´ø»º³åµÄ×Ö·ûÁ÷
     */
    public static void testReaderWriter() {
        int bufsize = 25;
        try {
            BufferedReader bufferedReader = new BufferedReader(new FileReader(new File("C:\\x.txt")));
            BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(new File("C:\\xb.txt")));
            char buf[] = new char[bufsize];     //×Ö·û»º³åÇø
            while (bufferedReader.read(buf) != -1) {
                bufferedWriter.write(buf);
            }
            bufferedWriter.flush();
            bufferedReader.close();
            bufferedWriter.close();
        } catch (FileN


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