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+// union: connect 2 nodes%0A// connected : determine if 2 nodes are connected or not%0A%0A//assumtions : %0A//  reflexive : p is connected to p%0A//  symmetric : if p is connected to q, q is connected to p.%0A//  transitive: if p is connected to q and q is connected to r, then p is connected to r.%0A%0A

Create find-union.java