Eclipse Usage Tips

a lot of things to know, but not necessarily remember, constantly updated
New User LibraryThis allows you to create a new library in Eclipse, which can be specified and used by other projects. Once added, select the corresponding user Libraries→add External jars to add the jar to the current library.
Right-click on project build path to bring the library under eclipse into the current project

Eclipse Correlation API
Eclipse can set up the Affiliate API so that directly select the currently selected class and press F1 to see the API documentation. The corresponding class will be able to view the API documentation through F1. Now the JAVA8 can also be seen directly. Like this
Open the API as follows cool AH ~ before actually found so good, but also silly to find the corresponding API.

Eclipse Usage Tips