import com.google.common.io.Files; import com.google.common.io.InputSupplier; import com.google.common.io.OutputSupplier; import java.io.File; import java.io.IOException; public class FileCopyExample { public static void main(String[] args) { File sourceFile = new File("source.txt"); File destFile = new File("destination.txt"); try { InputSupplier<FileInputStream> inputSupplier = Files.newInputStreamSupplier(sourceFile); OutputSupplier<FileOutputStream> outputSupplier = Files.newOutputStreamSupplier(destFile); Files.copy(inputSupplier, outputSupplier); System.out.println("File copied successfully!"); } catch (IOException e) { e.printStackTrace(); } } }