When doing Web projects, often encounter changes in the code, but the browser does not take effect, because of a variety of reasons, I will be based on the situation I encountered gradually update the method of resolution
1. Implementation of the use of debug mode, under normal circumstances, using the Project Deployment button to the right of the button under the TOMCAT7 run, assuming that the use of serves in the run serves, this situation seems not to be actively compiled
2. Click on the Clean option under the Project menu to select the item you are using in the open form, OK, this will remove some information about the project in the Tomcat container, and then deploy it again to execute
3. Remove the Tomcat directory from your computer, unzip it again, and import Tomcat again in MyEclipse
4, delete browser cache: Delete the browser's history and cache information (I have encountered this situation today, the above three steps to try several times, is useless, changed a browser to find the change in the code to take effect, only to find that it should be a browser problem)
5. To be supplemented, we welcome you to provide methods