1. Change the Solution class so that it becomes a list. (It must implement the java.util.List interface).
2. The Solution list should only work with Longs.
3. Use the original field.
4. The list will be used by threads, so you need to ensure that all the methods are synchronized.
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Robert ConstantinescuLevel 22 , Bucharest
30 November, 07:06
in IntelliJ: just press ALT + INSERT and implement all the methods from "Implement Methods" with refference to the original list
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