How to add a library (jar package) to eclipse

When you toss eclipse, you often encounter this situation:

A library is missing, and after it is found, it needs to be added to the current project so that import XXX in the code can be imported properly.

Example:

"Resolved" Java code error for eclipse: The import Org.apache cannot be resolved

"How to import/Add (external) library/jar packages in Eclipse"

Basic ideas:

Since this is a library that is imported externally, the idea is:

By Add External achieves ... Imported in the same way.

Specific operation, there are many ways:

(1) The quickest is:

Right-click Project->build Path, Add External achieves ...

Example:

Then select, single or multiple, corresponding libraries (jar packages):

Click OK again.

(2) A slightly troublesome one is:

Right-click the project->properties->java Build Path, Libraries, Add External JARs

Then again, select the corresponding, single, or multiple jar packages and then OK to join in:

Summary

In Eclipse, add an external jar package, all of:

ADD External achieves ...

Can.

How to add a library (jar package) to eclipse