JAVA 字符流读数据的两种方式 146

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

public class InputStreamReaderDemo {
    public static void main(String[] args) throws IOException {
        InputStreamReader isr = new InputStreamReader(new FileInputStream("1.txt"));
        int ch;
        while ((ch=isr.read())!=-1){
            System.out.println((char)ch);
        }
        System.out.println("====分割符号======");
        //第二种 读一个字符素组
        char[] chs = new char[1024];
        int len;
        while ((len= isr.read(chs)) !=-1 ){
            System.out.println(new String(chs,0,len));
        }
        isr.close();
    }
}