Write code to Convert an array of string elements into a comma-delimited string.
//package com.book2s; public class Main { public static void main(String[] argv) { String[] array = new String[] { "1", "abc", "level", null, "book2s.com", "asdf 123" }; System.out.println(toCommaDelimited(array)); }/*from w ww . j a v a 2 s . co m*/ /** * Convert an array of string elements into a comma-delimited string. * <p> * Example: ["cat","dog","kangaroo"] -> "cat,dog,kangaroo" * * @param array array of string elements * @return comma-delimited elements as string */ public static String toCommaDelimited(String[] array) { StringBuffer buf; buf = new StringBuffer(); for (int i = 0; i < array.length; i++) { buf.append(array[i]); if (i < array.length - 1) buf.append(","); } return buf.toString(); } }