How to find dependant class files for java file

[hiren parghi]

Hi,

I have a java file TestSwing.java in which TestSwing class is there which contains Swing components.
TestSwing.java file has imported many other classes from various packages.
And those imported class files also imports other classes.
So i want to find all dependant classes for TestSwing.java
Is there any way to find all dependant classes for java file???
Is there any tool availabe t o find all dependant classes???