Java examples for java.lang:String Join
join array By Line Separator
//package com.java2s; public class Main { public static void main(String[] argv) { String[] text = new String[] { "1", "abc", "level", null, "java2s.com", "asdf 123" }; System.out.println(joinByLineSeparator(text)); }/*w w w .j a v a 2s. co m*/ private static final String separator = "\n"; public static String joinByLineSeparator(String[] text) { if (text.length == 0) { return ""; } StringBuilder sb = new StringBuilder(); sb.append(text[0]); for (int i = 1; i < text.length; ++i) { String txt = text[i]; if (!txt.isEmpty()) { sb.append(separator).append(txt); } } return sb.toString(); } }