File write read

u7e

This a simple method to read and write from/in file. hope it helps

Code:

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class FileManipulator {
    private File file;
    
    // constructor
    public FileManipulator(File file) {
        this.file = file;
    }

    public FileManipulator(String filePath) {
        file = new File(filePath);
    }
    
    // reading method 
    public String ReadFromFile() {
        String str = "", tempStr = "";
        BufferedReader br;
        try {
            br = new BufferedReader(new FileReader(this.file));
            while ((tempStr = br.readLine()) != null)
                str += tempStr + "\n";
            br.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        
        return str;
        
    }
    //writing method 
    public void WriteInFile(String content) {
        try {
            BufferedWriter bw = new BufferedWriter(new FileWriter(file));
            bw.write(content);
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

    public static void main(String[] args) {
        FileManipulator fm = new FileManipulator("input.txt");
        String content = fm.ReadFromFile();
        System.out.println(content);
        fm.file = new File("output.txt");
        fm.WriteInFile(content);
    }

}
 

DrRakha

Thank you so much

.For you share .
I moved your topic to java examples

.

Have a nice time .

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