If you don't specify the locale in String.format() method, it uses default locale by calling Locale.getDefault() method. The format() method of java language is like sprintf() function in c language and printf() method of java language. Internal implementation public static String format(St...
Look at this exemple of a lower level language, C.https://code.sololearn.com/c0rB7w0VgDuB/?ref=appYou can see here that the same string defined in any point of the app has the same memory position. With this you don't waste memory declaring the same object multiple t...