copying image and saving it as another image in java

[Mohan Mehra]

say i have a image called a.jpg in a location, and i want to copy that image and save it as b.jpg in some other location using java. how do i do it?

[Harsha Smith]

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;


public class FileTest {
	public static void main(String [] args) throws Exception{
		
		File source = new File("C:\\Users\\Harsha\\Desktop\\cat.jpg");
		File destinationFile = new File("C:\\Users\\Harsha\\Desktop\\Dog.jpg");
	    copy(source, destinationFile);
	
	
		
	}
	
	public static void copy ( File source, final File target)
		throws IOException {
		FileChannel sourceChannel = null;
		FileChannel targetChannel =null;
		try {
			sourceChannel =new FileInputStream(source).getChannel();
			targetChannel=	new FileOutputStream(target).getChannel();
		targetChannel.transferFrom(sourceChannel, 0,
		sourceChannel.size());
		}
		finally {
		targetChannel.close();
		sourceChannel.close();
		}
		}
		
		}