Java String Line Count countLines(String input)

Description

count Lines

License

Apache License

Declaration

public static int countLines(String input) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2015 IBM Corp.//from  www. ja v a 2s. c  om
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/

public class Main {
    public static int countLines(String input) {
        int lines = 0;
        // If the last character isn't \n, add one, as that will make
        // the count match what you would normally expect
        if (input.charAt(input.length() - 1) != '\n') {
            lines = 1;
        }
        while (true) {
            int nlIndex = input.indexOf('\n');
            if (nlIndex == -1) {
                break;
            }
            lines++;
            input = input.substring(nlIndex + 1);
        }
        return lines;
    }
}

Related

1. countLineEnds(CharSequence string, int startPos)
2. countLines(final String content, final String lineBreak)
3. countLines(String aMessage)
4. countLines(String buffer)
5. countLines(String data)
6. countLines(String o)
7. countLines(String s)
8. countLines(String s)
9. countLines(String str)