Here you can find the source of endsWithLineSeparator(final CharSequence msg)
static boolean endsWithLineSeparator(final CharSequence msg)
//package com.java2s; /*/*from w w w . j ava2 s . c om*/ * Copyright (c) 2013 Team Trinidad and contributors http://github.com/trinidad * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ public class Main { static final String LINE_SEPARATOR = System.getProperty("line.separator"); static boolean endsWithLineSeparator(final CharSequence msg) { final int len = msg.length(); final String ls = LINE_SEPARATOR; if (ls != null && len > ls.length()) { final int end = len - ls.length(); return ls.equals(msg.subSequence(end, len)); } return false; } }