package thread;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class main {
    public static void main(String[] args) {
     writeToFile();
      readFromFile();
     
    }
    private static void readFromFile() {
    	List<Integer> inputList=null;
    	try (FileReader reader = new FileReader("a.txt");
                BufferedReader br = new BufferedReader(reader) // 建立一个对象，它把文件内容转成计算机能读懂的语言
           ) {
               String line;
            
               while ((line = br.readLine()) != null) {
                   // 一次读入一行数据
            	  
       			String[] inputdatas=line.split(" ");
       			for(String s:inputdatas){
       				System.out.print("'"+s+"' ");
       			}
       			System.out.println();
       			inputList=new ArrayList<Integer>();
       			for(String d:inputdatas){
       				int value=Integer.parseInt(d);
       				inputList.add(value);
       			}
                   System.out.println(inputList);
               }
           } catch (IOException e) {
               e.printStackTrace();
           }
       }
  
    

    public static void writeToFile() {
        try {//流的套接
            FileOutputStream fout=new FileOutputStream("a.txt");
            DataOutputStream dout=new DataOutputStream(fout);
            Scanner scanner = new Scanner(System.in);
            String line = scanner.nextLine();
            System.out.println("input:"+line);
            try {
                File writeName = new File("a.txt"); // 相对路径，如果没有则要建立一个新的output.txt文件
                writeName.createNewFile(); // 创建新文件,有同名的文件的话直接覆盖
                try (FileWriter writer = new FileWriter(writeName);
                     BufferedWriter out = new BufferedWriter(writer)
                ) {
                    out.write(line); 
                    out.flush(); // 把缓存区内容压入文件
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            fout.close();
            dout.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}