Write code to string Collection To String
//package com.book2s; import java.util.*; public class Main { public static String stringCollectionToString( final Collection<String> c, String seperator) { if (c == null || c.isEmpty()) { return ""; }/*from w w w . j ava 2s . c o m*/ if (seperator == null) { seperator = ", "; } final StringBuilder sb = new StringBuilder(); for (final String value : c) { sb.append(value); sb.append(seperator); } sb.delete(sb.length() - seperator.length(), sb.length()); return sb.toString(); } }