Java 从参数读取的整数值总和

欢马劈雪

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从参数读取的整数值总和

实例源码：

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public class Adder {

public static void main(String[] args) {

int numArgs = args.length;
/** nowjava - 时  代  Java 提 供 **/

//this program requires at least two arguments on the command line

if (numArgs < 2) {

System.out

.println("This program requires two command-line arguments.");

} else {

int sum = 0;

for (int i = 0; i < numArgs; i++) {

sum += Integer.valueOf(args[i]).intValue();

}

//print the sum

System.out.println(sum);/**来 自 nowjava - 时  代  Java**/

}

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

*   - Redistributions of source code must retain the above copyright

*     notice, this list of conditions and the following disclaimer.

*   - Redistributions in binary form must reproduce the above copyright

*     notice, this list of conditions and the following disclaimer in the

*     documentation and/or other materials provided with the distribution.

*   - Neither the name of Oracle or the names of its

*     contributors may be used to endorse or promote products derived

*     from this software without specific prior written permission.

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
/**代码未完, 请加载全部代码(NowJava.com).**/

​x
 
​
public class Adder {
​
    public static void main(String[] args) {
​
        int numArgs = args.length;
/** nowjava - 时  代  Java 提 供 **/
​
        //this program requires at least two arguments on the command line
​
        if (numArgs < 2) {
​
            System.out
​
                    .println("This program requires two command-line arguments.");
​
        } else {
​
            int sum = 0;
​
​
            for (int i = 0; i < numArgs; i++) {
​
                sum += Integer.valueOf(args[i]).intValue();
​
            }
​
​
            //print the sum
​
            System.out.println(sum);/**来 自 nowjava - 时  代  Java**/
​
        }
​
    }
​
}
​
​
/*
​
 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
​
 *
​
 * Redistribution and use in source and binary forms, with or without
​
 * modification, are permitted provided that the following conditions
​
 * are met:
​
 *
​
 *   - Redistributions of source code must retain the above copyright
​
 *     notice, this list of conditions and the following disclaimer.
​
 *
​
 *   - Redistributions in binary form must reproduce the above copyright
​
 *     notice, this list of conditions and the following disclaimer in the
​
 *     documentation and/or other materials provided with the distribution.
​
 *
​
 *   - Neither the name of Oracle or the names of its
​
 *     contributors may be used to endorse or promote products derived
​
 *     from this software without specific prior written permission.
​
 *
​
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
​
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
​
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
​
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
​
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
​
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
/**代码未完, 请加载全部代码(NowJava.com).**/