/*	Punters Lounge JAVA programming course
 *	
 *	Lesson62.java
 *
 *	Author	:	Erik Datapunter
 *	Date	:	28/apr/2004
 *
 *	Text manipulation example program
 *
 */

public class Lesson62 {
public static void main(String[ ] arguments) {

	// string buffers to hold the existing text
	StringBuffer mytext = new StringBuffer(100);
	// one string to hols the word to look for
	String searchletter = arguments[0];
	
	int startsearch = 0;
	int foundposition = 0;
	int nrletter = 0;

	// use the append method to put the text into the buffer
	mytext = mytext.append(arguments[1]);


	/* using a while loop
	 *
	 *	we search for the letter using the indexOf method,
	 *	with each search we move the starting position based on the
	 *	position of the previously found letter
	 *
	 *	if no (more) letter found then foundposition becomes -1
	 *
	 *	so as long as foundposition is not -1 we have found a letter
	 *
	 */
	while ((foundposition = mytext.indexOf(searchletter,startsearch)) != -1)
	{
		// another letter found
		nrletter = nrletter + 1;
		// move the start position of the search to the letter after the found letter
		startsearch = foundposition + 1;
	}
	
	System.out.println("Found : "+nrletter);

}
}