System.out.println("Subtract(A, B): " + ArrayUtils.toString(subtract.toArray()));
}
}
输出如下:
A: {1,2,3,3,4,5}
B: {3,4,4,5,6,7}
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Union(A, B): {1,2,3,3,4,4,5,6,7}
Intersection(A, B): {3,4,5}
Disjunction(A, B): {1,2,3,4,6,7}
Subtract(A, B): {1,2,3}