1 public class App { public enum Range { RANGE1(Double.MIN_VALUE,1), RANGE2(1, 2), RANGE3(2, 3), RANGE4(3, 4), RANGE5(4, 5), RANGE6(5, 6), RANGE7(6, 7), RANGE8(7, 8), RANGE9(8, 9), RANGE10(9, Double.MAX_VALUE); public double min; public double max; Range(double min, double max) { this.min = min; this.max = max; } @Override public String toString() { return "Диапазон {" + " min=" + min + ", max=" + max + " }\n"; } public static Range getRange(double x) { for(Range range : Range.values()) { if(x >= range.min && x < range.max) { return range; } } return null; } } public static void main(String[ ] args) { double x = 4.5; Range range = Range.getRange(x); System.out.println(range.toString()); // => Диапазон { min=4.0, max=5.0 } } }