Below is the syntax highlighted version of KamasutraCipher.java
from §3.1 Using Data Types.
/****************************************************************************** * Compilation: javac KamasutraCipher.java * Execution: java KamasutraCipher key1 key2 * * Encode a message using the Kamasutra cipher. * * % java KamasutraCipher THEQUICKBROWN FXJMPSVLAZYDG * MEET AT ELEVEN * QJJF BF JKJCJG * ******************************************************************************/ public class KamasutraCipher { public static void main(String[] args) { String top = args[0]; String bot = args[1]; while (StdIn.hasNextLine()) { String s = StdIn.readLine(); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (top.indexOf(c) >= 0) StdOut.print(bot.charAt(top.indexOf(c))); else if (bot.indexOf(c) >= 0) StdOut.print(top.charAt(bot.indexOf(c))); else StdOut.print(c); } StdOut.println(); } } }