0927-练习

public class TextRw {

    public static void main(String[] args) {
        // 编写TextRw的文件
        try 
        {
            FileWriter fw=new FileWriter("C:/Users/Administrator/Desktop/zuoye1.txt");
            fw.write("小二逼，66666");
            fw.close();
            System.out.println("写入成功");
            FileReader fr=new FileReader("C:/Users/Administrator/Desktop/zuoye1.txt");
            char[]nb=new char[1024];
            int i=0;
            StringBuilder sb=new StringBuilder();
            while((i=fr.read(nb))>0)
            {
                sb.append(nb, 0, i);
            }
            fr.close();
            System.out.println("读取="+sb);
            System.out.println("读取成功");
            
        } 
        catch (IOException e) 
        {
            e.printStackTrace();
        }