Java04 Day 7 InputOutputStream.java

package InputOutputStream;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;

public class InputOutputStream {

    public String readInfo(String path){
        String str = "";
        FileInputStream in = null;
        try{
            File f = new File(path);
            in = new FileInputStream(f);
            int i=0;
            while(( i=in.read())>0){
                char ch = (char) i;
                str += ch;
            }
            in.close();
            return str;
        }catch(Exception ex){
            Logger.getLogger(InputOutputStream.class.getName()).log(Level.SEVERE, null, ex);
        }
        return "";
    }

    public void write(String content, String path){
        FileOutputStream out = null;
        try{
            File f = new File(path);
            out = new FileOutputStream(f);
            char[] chs = content.toCharArray();
            for(char ch:chs){
                out.write((int)ch);
            }
            out.close();
        }catch(Exception ex){
            System.out.println("Loi khong the ghi file");
        }
    }

    public static void main(String arg[]) {
        InputOutputStream obj = new InputOutputStream();
        String str = obj.readInfo("C:/test.txt");
        obj.write(str, "D:/copy.txt");
        System.out.println("Da copy thanh cong noi dung sau: ");
        System.out.println(str);
    }
}