This file removes a specified character from a string of text. Stanford CS106a assignment 4.2

Remove a character

import acm.program.ConsoleProgram;

/** RemoveCharacters takes a string and a character, removing all 
 *  occurences of the character from the given string
 */

/**
 * @author Lisa Stephens
 * Complete
 * written on 2/6/2014 as a response to Stanford CS 106a exercise 4.2
 * The run() method consists of test cases given by the assignment.
 *
 */
public class RemoveCharacters extends ConsoleProgram{

	public void run() {

		println(removeAllOccurrences("This is a test", 't') );
		println (removeAllOccurrences("Summer is here!", 'e') );
		println(removeAllOccurrences("---0---", '-') );

	}


	private String removeAllOccurrences (String str1, char ch) {

		while (true) {

			// Find the start of the character to be removed
			int index = str1.indexOf(ch);
			// If there are no more occurrences, you're done
			if (index == -1 ) {
				return str1;

			}
			// If the character is found in the string, remove it
			str1 = str1.substring(0, index) + str1.substring(index + 1);
		}
	}
}