Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2016 Aalto University
 *
 * 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 long strToLong(String strVal) {
        if (strVal == null || strVal.isEmpty())
            return 0;

        byte[] vals = strVal.getBytes();
        int tailFlag = vals.length > 8 ? 8 : vals.length;
        long result = 0;
        for (int i = 0; i < tailFlag; i++) {
            result = result << 8;
            result += vals[i];
        }
        return result;
    }
}