IO字符流读数据InputStreamReader

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;

public class InputStreamReaderDome01 {
public static void main(String[] args) throws IOException {

    InputStreamReader isr = new InputStreamReader(new FileInputStream("D:\\IDEA\\src\\JavaHeiMa02\\src\\字符流CharStream\\字符流输入流写数据\\OutputStreamWriterDome01.java"));
    //一次读取一个字节

// int ch;
// while ((ch=isr.read())!=-1){
// System.out.print((char) ch);
// }
//一次读取一个数组
char[] chs = new char[1024];
int len;
while ((len=isr.read(chs))!=-1){
System.out.println(new String(chs,0,len));
}
isr.close();
}
}