Java IO学习笔记:字符流
Java IO学习笔记:字符流
字符流的处理和字节流差不多,API基本上完全一样,就是计量单位不同。另外字符流还提供一些其他的处理流,比如按行读取流、字符串流等等。
下面给个例子看看:
import java.io.*;
/**
* 字符流测试
*
* @author leizhimin 2008-8-27 22:16:44
*/
public class TestIOStream {
public static void main(String[] args) {
testReaderWriter();
testLineNumberReader();
}
/**
* 带缓冲的字符流
*/
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]; //字符缓冲区
while (bufferedReader.read(buf) != -1) {
bufferedWriter.write(buf);
}
bufferedWriter.flush();
bufferedReader.close();
bufferedWriter.close();
} catch (FileN
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