Java FileInputStream Copy copyFile(File src, File dest)

Description

Copies a file.

License

Open Source License

Parameter

Parameter	Description
src	The source.
dest	The destination.

Exception

Parameter	Description
IOException	an exception

Declaration

public static void copyFile(File src, File dest) throws IOException 

Method Source Code

//package com.java2s;

import java.io.File;
import java.io.FileInputStream;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Main {
    /**//www.  jav  a  2 s.c  om
     * Copies a file.
     * 
     * @param src The source.
     * @param dest The destination.
     * @throws IOException
     */
    public static void copyFile(File src, File dest) throws IOException {
        if (src.exists() && !src.isDirectory()) {
            InputStream in = new FileInputStream(src);
            OutputStream out = new FileOutputStream(dest);
            // Transfer bytes from in to out
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
            in.close();
            out.close();
        }
    }
}

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