Java™ How to Program, Seventh Edition

29.6. Printing Strings and Characters

The c and s conversion characters are used to print individual characters and strings, respectively. Conversion character s can also print objects with the results of implicit calls to method toString. Conversion characters c and C require a char argument. Conversion characters s and S can take a String or any Object (this includes all subclasses of Object) as an argument. When an object is passed to the conversion character s, the program implicitly uses the object’s toString method to obtain the String representation of the object. When conversion characters C and S are used, the output is displayed in uppercase letters. The program shown in Fig. 29.5 displays characters, strings and objects with conversion ...