Summary of Java junit Unit test steps

Gee, it's 12 o ' Night. Summary if there are errors in the place to welcome correct, my method does not introduce the jar, there are other ways to introduce the jar package on the net, not very understand, nor much to see.

Some of the key basic rules:

Let's look at the specific steps of Eclipse:
Create a new package while creating a test class:

New-->other...-->

When all this is done, it can be detected. Right-click-->run as--->junit test

The result is that there is an error:

Summary of Java junit Unit test steps