Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright 2011 Peter Karich 
 * 
 *  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 {
    /**
     * remove more than two spaces or newlines
     */
    public static String innerTrim(String str) {
        if (str.isEmpty())
            return "";

        StringBuilder sb = new StringBuilder();
        boolean previousSpace = false;
        for (int i = 0; i < str.length(); i++) {
            char c = str.charAt(i);
            if (c == ' ' || (int) c == 9 || c == '\n') {
                previousSpace = true;
                continue;
            }

            if (previousSpace)
                sb.append(' ');

            previousSpace = false;
            sb.append(c);
        }
        return sb.toString().trim();
    }
}