Black heart businessman of Java ordering applet

A long time ago, a woman opened a hotel. Her name was sun erniang. Here's the order applet she asked someone to make. The code is as follows:

The output results are as follows:

Clearly priced, right. But after ordering, you will find:

This is a black shop! The price is clearly marked, but the price is different.

summary

The above is all about the ordering applet in this article. Is the story to improve everyone's interest, or should we pay attention to the understanding of the code. I hope it will help you.

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