package correct_java_programs; import java.util.*; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author derricklin */ public class WRAP { public static void main(String[] args) { System.out.println("abc".lastIndexOf("c",30)); } public static ArrayList wrap(String text, int cols) { ArrayList lines = new ArrayList(); String line; while (text.length() > cols) { int end = text.lastIndexOf(" ", cols); // off by one? if (end == -1) { end = cols; } line = text.substring(0,end); text = text.substring(end); lines.add(line); } lines.add(text); return lines; } }