clone method

I have two arraylist and I want to assign oney reference to another. So both can point to the same.

I used the following:

Code:

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a2 = a1;

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where a1 and a2 are arraylists. It works fine for me. I wanted to know how can I achieve this using clone method?

Regards.

Have a looksee here... maybe you can infer from it.