Course Assignment 01 Mimics the Javaapparguments.java example, writing a program that receives multiple numbers from the command line, and then outputs the results after summing.

Design idea: The main command line is the conversion of parameters and add output. Because command-line arguments are strings, you need to convert to the add operation, and with the example Javaapparguments.java you can do a good conversion, and then the addition is done.

Program Flowchart:

SOURCE program code:

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//import java.util.Scanner;public class JavaAppArguments {    public static void main(String[] args) {        /*Scanner in = new Scanner(System.in);        int i=in.nextInt();        String arr[]=new String[i];        for(int j=0;j<arr.length;j++)        {            arr[j]=in.next();        }*/        int sum=0;        System.out.println("参数个数："+args.length);        for (String arg : args) {         //for的加强？            System.out.println(arg);            sum=sum+Integer.parseInt(arg);        }        System.out.println("参数之和"+sum);    }}

Results:

Course Assignment 01 Mimics the Javaapparguments.java example, writing a program that receives multiple numbers from the command line, and then outputs the results after summing.