Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012 AT&T
 *
 * 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 {
    /**
     * Reverts the specified source string.
     * 
     * @param from
     *            The source string.
     * @return The reverted string.
     */
    public static String revert(String from) {
        if (from == null || from.length() <= 1)
            return from;
        final int len = from.length();
        final StringBuilder sb = new StringBuilder(len);
        for (int i = 1; i <= len; i++) {
            sb.append(from.charAt(len - i));
        }
        return sb.toString();
    }
}