FileIOApp.java Source code

Introduction

Here is the source code for FileIOApp.java

Source

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class FileIOApp {
    public static void main(String args[]) throws IOException {
        FileOutputStream outStream = new FileOutputStream("test.txt");
        String s = "This is a test.";
        for (int i = 0; i < s.length(); ++i)
            outStream.write(s.charAt(i));
        outStream.close();
        FileInputStream inStream = new FileInputStream("test.txt");
        int inBytes = inStream.available();
        System.out.println("inStream has " + inBytes + " available bytes");
        byte inBuf[] = new byte[inBytes];
        int bytesRead = inStream.read(inBuf, 0, inBytes);
        System.out.println(bytesRead + " bytes were read");
        System.out.println("They are: " + new String(inBuf));
        inStream.close();
        File f = new File("test.txt");
        f.delete();
    }
}