IBM Interview Question
1. How to implement a hashmap, and write the code. 2. Given a linkedlist, how to detect whether it has a cycle ,if has, how to find out where is the cycle begin. 3. some basic problem about multi thread in Java.
1. How to implement a hashmap, and write the code. 2. Given a linkedlist, how to detect whether it has a cycle ,if has, how to find out where is the cycle begin. 3. some basic problem about multi thread in Java.
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