public class TextParsing
{

    public static void main(String args[])
    {
        String KK_OK = "KK OK:";
        String KK_SETUP = "KK SETUP:";
        String KK_PUNCH = "KK PUNCH:";
        
        String line1 = "KK OK:8";
        String line2 = "KK SETUP:Costa";
        String line3 = "KK PUNCH:Costa lot";
        
        // the String.length method returns the number of chars in a String
        // the String.substring(int i) method extracts all characters beginning 
        //                             with the i-th one
        // the Integer.parseInt(String s) converts a String to int if possible, or
        //                                generates an optional NumberFormatException
        int numJokes = Integer.parseInt(line1.substring(KK_OK.length()));

		// generating a random int between 0 and numJokes-1:
		int i = (int)(numJokes*Math.random());
		
        System.out.println("Number of Jokes: " + numJokes);
        System.out.println("Joke setup:      " + line2.substring(KK_SETUP.length()));
        System.out.println("Joke punch line: " + line3.substring(KK_PUNCH.length()));
        
    }
}