The exact same way you instantiate a class from any of the various Java libraries: by using the 'new' keyword.
i.e
MyClass A = new MyClass();
this forces the MyClass definition to run its Constructor method, and return an instance of object of type MyClass.
It's the same as importing any other class: import [package name].[class name];
if you have a computer to look this up...... you can go and find out your self
Self-Inflicted was created in 1997.
For Self-Examination was created in 1851.
Song to Self was created in 2008.
The Outsourced Self was created in 2012.
My Self Scumbag was created in 2007.
At War with Self was created in 2004.
The Commanding Self was created in 1994.
Sources of the Self was created in 1989.
Self Worth was created in 1999.
The Century of the Self was created in 2002.