 KruskalMST.java

Accompanying software for Algorithms, 4th edition by Robert Sedgewick and others, authored by Robert Sedgewick and Kevin Wayne, as credited in the implementation. GitHub hosts the author repository. The footer identifies 2011 as textbook publication; no implementation publication or revision date is established.

Online source: raw.githubusercontent.com/kevin-wayne/algs4/master/src/main/java/edu/princeton/cs/algs4/KruskalMST.java

Cited passages: class documentation lines 39–68: signed weights, ties, minimum spanning forest, union-find, sorting complexity, author tags; constructor lines 79–100: sort, representative queries, merges, n-1 stopping condition; footer lines 194–199: textbook metadata.