prathap evs

Can we do unreachable Objects become reachable again?

For example:
class test
{
public void method()
{
Sample obj=new Sample("first"); //let 'Sample' is an class
obj=null;
//?? Now I want to point 'obj' to the same object which is pointing before make it as null.
}
}
:roll:

I am new to Plugin development environment. Can anyone give me the answers for plugin tags and its lifecycle ? :roll: