Java tutorial
//package com.java2s; public class Main { public static String abbreviate(String text) { String[] words = text.split("\\s"); StringBuilder builder = new StringBuilder(); int i = 0; while (i < words.length && builder.length() < 2) { String word = words[i].trim(); if (word.length() > 0) builder.append(Character.toUpperCase(word.charAt(0))); i++; } return builder.toString(); } }