Write a program of LinkedList do not Use LinkedList Class.
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That sounds like homework; according to How to ask a question we won't answer those questions.
To understand how to answer this yourself, first you have to understand how a Linked list works. The examples in that linked Wikipedia article are not written in Java, but they could help you understand the concept. Then try to create a node in Java which contains some kind of information. (If you want to go the professional way, make it generic.) Then link it to another node.
When that's done, you can start creating functions to work with the list, such as a count or search function.
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