Java BASIC Programming

Source: Internet
Author: User

In the process of writing a calculator, although encountered a lot of difficulties, but also spent a lot of time, but through a variety of methods to overcome some of the programming difficulties:

(1) Find API documentation, use JAV AWT and swing inside the class to draw the computer interface

(2) then to each button binding monitor, the method of monitoring See the Event object class. Difficulties

(3) The final various implementation methods are described in the math function

(4) It is recommended that all the numbers are bigdecimal types, but that the class does not provide methods and can be converted to double to calculate

Java BASIC Programming

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.