How to import jar packages in eclipse

Third-party jar packages are often used when we use eclipse to develop programs. At this time, we need to import the jar package under the corresponding project. The following figure shows how to import the jar package.

1. Right-click the project root directory and click Properties to enter properties. Or select the project root directory and press Alt-Enter.

2. Select Java build path on the properties page, select the libraries tab, and click Add external jars.

3. Find the jar package to be added and click OK.

From: http://blog.csdn.net/justinavril/article/details/2783182