Java Action Brain 4

Source: Internet
Author: User

Randomly generate A number of numbers, populate an array, and then display the array contents with a message box, then calculate the array elements and display the results in a message box.

design ideas;

The random number is generated by using random, sequentially in the array, output random number addition calculation, in the form of a message box output.

Source code

Import javax.swing.*;

public class Sum {

public static void Main (String args[])

{

String output= "10 1000 or less random number: \ n";

int sum=0;

int a []=new int [10];

for (int i = 0;i<10;i++)

{

a[i]= (int) (Math.random () *1000);

Output + = "" +a[i];

Sum + = A[i];

}

Output + = "\ n 10 number of the and is:" +sum;

Joptionpane.showmessagedialog (Null,output, "results",

Joptionpane.plain_message);

}

}

Summary

Using random can randomly produce a number within 1-1000, add sum to complete the program.

Java Action Brain 4

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