sometimes we don’t like to use vs. Dear friends, like to use the eclipse practice c/c + + code, the construction of the environment, portal: http://jingyan.baidu.com/article/17bd8e523d7b9185ab2bb8f2.html

and then you might follow all the above steps and still hang when you run, and then you need to check the following two places:

1. If you haven’t built the project, click on the following position to build it and run it again. If not, scroll down to see

2. Change one setting :