Java implementation of random array output and summation examples

Java implementation of random array output and summation

Problem Description:

Randomly generate 10 numbers, fill in an array, and then display the contents of the array in the message box. Then calculate the sum of the array elements and display the results in the message box.

Design idea:

Using Java The random class in util is used to obtain the random number. After it is stored in the array, an object result of string class is defined, and the for loop is used to store the contents of the array to be output to the result and sum it; Reuse javax The joptionpane class in swing creates a message box for result output.

Source code:

Screenshot of operation results:

Programming summary:

In order to increase the readability of the code, the results to be output can be converted into strings and represented by a string class object.

Thank you for reading, hope to help you, thank you for your support to this site!