Java String Line Count countLines(String s)

Description

count Lines

License

Open Source License

Declaration

public static long countLines(String s) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2010 University of Illinois at Urbana-Champaign and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors://from  w ww.j ava 2s. c  o m
 *    UIUC - Initial API and implementation
 *******************************************************************************/

public class Main {
    public static long countLines(String s) {
        if (s.length() == 0)
            return 0L;

        long numLines = 1L;
        int lastIndex = 0;
        int nextIndex = s.indexOf('\n');
        while (nextIndex >= 0) {
            numLines++;
            lastIndex = nextIndex;
            if (lastIndex + 1 >= s.length())
                nextIndex = -1;
            else
                nextIndex = s.indexOf('\n', lastIndex + 1);
        }
        return numLines;
    }
}

Related

1. countLines(String buffer)
2. countLines(String data)
3. countLines(String input)
4. countLines(String o)
5. countLines(String s)
6. countLines(String str)
7. countLines(String text)
8. countLines(String text)
9. countLines(String value)