Write an definition/implementation of the following Java method. It is passed four integers, and returns the largest of these: / largestof (int, int, int, int) -> int method is given tour integers method produces the largest of the four integers ex: largestof (4, 9, 2, 5) => 9 largestof (4, 0, 2, 5) -> 5 largestof (-4,-9, -2,-5) -> -2 largestof(0, 0, 0, 0) -> O