Programmation >> Algorithms to practice
// *** Algorithm to replace a file extension by another
public static String replaceFileExtension(String filename, String newFileExtension) {
int index = filename.lastIndexOf("."); //$NON-NLS-1$
if (index >= 0) {
return filename_p.substring(0, index) + (newFileExtension == null ? "" : "." + newFileExtension); //$NON-NLS-1$ //$NON-NLS-2$
}
return filename;
}