I\O接口练习

import java.io.*;

public class BufferedStreanTest2 {
    public static void main(String[] args) throws IOException {
        String content[]={"你不喜欢你,","我一点都不介意","因为我活下来,",
        "不是为了取悦你."};
        File file=new File("word1.txt");
        if(!file.exists()){
            file.createNewFile();
        }
        FileOutputStream fos=null;
        BufferedOutputStream bos=null;
        FileInputStream fis=null;
        BufferedInputStream bis=null;
        try{
             fos=new FileOutputStream(file);
             bos=new BufferedOutputStream(fos);
            byte[] bContent=new byte[1024];
            for(int k=0;k<content.length;k++){
                bContent=content[k].getBytes();
                bos.write(bContent);
            }
            System.out.println("写入成功!\n");
        }catch (IOException e){
            e.printStackTrace();
        }finally{
            try {
                bos.close();
                fos.close();
            }catch(IOException e){
                e.printStackTrace();
            }
        }
        try{
            fis=new FileInputStream(file);
            bis=new BufferedInputStream(fis);
            byte[] bContent=new byte[1024];
            int len=bis.read(bContent);
            System.out.println("文件中的信息是:"+new String(bContent,0,len));
        }catch (IOException e){
            e.printStackTrace();
        }finally{
            try{
                fis.close();
                bis.close();
            }catch (IOException e){
                e.printStackTrace();
            }
        }
    }
}

import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils;

import java.io.*;

public class BufferedTest2 {
    public static void main(String[] args) throws IOException {
        String content[]={"你不喜欢我,","我一点都不介意","因为我活下来,","不是为了取悦你"};
        File file=new File("yuzh,txt");
        if(!file.exists()){
            file.createNewFile();
            System.out.println("文件创建成功");
        }
       try {
           FileWriter fw = new FileWriter(file);
           BufferedWriter bufw = new BufferedWriter(fw);
           for (int i = 0; i < content.length; i++) {
               bufw.write(content[i]);
               bufw.newLine();
           }
           bufw.close();
           fw.close();
       }catch (IOException e){
           e.printStackTrace();
       }
       try{
           FileReader fr=new FileReader(file);
           BufferedReader bure=new BufferedReader(fr);
           String s=null;
           int i=0;
           while((s=bure.readLine())!=null){
               i++;
               System.out.println("第"+i+"行:"+s);
           }
           bure.close();
           fr.close();
       }catch(IOException e){
           e.printStackTrace();
       }
    }
}

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public class ConsoleOutput2 {
    public static void main(String[] args) {
        try {
            FileReader reader = new FileReader("src/ConsokeOutput2.java");
        char[] c=new char[1024];
        int hasread=0;
        while((hasread=reader.read(c))>0){
            System.out.println(new String(c,0,hasread));
        }
        reader.close();
        }
        catch (FileNotFoundException e) {
            e.printStackTrace();
        }catch (IOException e) {
            e.printStackTrace();
        }
    }
}