Question: How Should I Complete these 4 tasks in JAVA? This question deals with an undirected graph that consists of a set of nodes connected by

of nodes connected by edges. Each edge connects two different nodes, i.e.,

self-connection is not allowed. Given a set of random walk sequences obtained

How Should I Complete these 4 tasks in JAVA?

This question deals with an undirected graph that consists of a set of nodes connected by edges. Each edge connects two different nodes, i.e., self-connection is not allowed. Given a set of random walk sequences obtained from this graph, you are required to recover some properties of this graph by referring to this set of random walk sequences. The definition of a random walk sequence has been given in the source code. What to Do: [Task 2] Read the classes Graph.java, Node.java and, RandomWalkSequence.java. Complete the tasks in Node.java and RandomWalkSequence.java so that all requirements expressed in the code comments are satisfied. Hints: To complete the tasks, you may need to use classes HashSet and HashMap from the standard Java library.

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