## BJP5 Exercise 5.13: consecutive

Language/Type: Java if/else method basics return
Author: Leslie Ferguson (on 2019/09/19)

Write a method named `consecutive` that accepts three integers as parameters and returns true if they are three consecutive numbers; that is, if the numbers can be arranged into an order such that there is some integer k such that the parameters' values are k, k+1, and k+2. Your method should return false if the integers are not consecutive. Note that order is not significant; your method should return the same result for the same three integers passed in any order.

For example, the calls `consecutive(1, 2, 3)`, `consecutive(3, 2, 4)`, and `consecutive(-10, -8, -9)` would return true. The calls `consecutive(3, 5, 7)`, `consecutive(1, 2, 2)`, and `consecutive(7, 7, 9)` would return false.

Type your solution here:

This is a method problem. Write a Java method as described. Do not write a complete program or class; just the method(s) above.

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