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README.md

+Resolution in Java language of the Closest to Zero exercise.
+
+Requirements:
+Closest to zero
+Write a function “closestToZero” described by the following specifications:
+
+given an array of positive and negative integers, it returns the closest number to zero
+if the closest number in input could be either negative or positive, the function returns the positive one
+if the input array is undefined or empty, the function returns 0
+
+Examples:
+
+when input is [8, 5, 10] it must returns 5
+when input is [5, 4, -9, 6, -10, -1, 8] it must return -1
+when input is [8, 2, 3, -2] it must return 2
+when input is [2, 0], it must returns 0, as 0 is ... the closest number to 0
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