Java tutorial
//package com.java2s; import java.util.ArrayList; public class Main { public static double getMindouble(double[] arr) { double min = Double.MAX_VALUE; for (int i = 0; i < arr.length; i++) { if (arr[i] < min) min = arr[i]; } return min; } public static double getMindouble(ArrayList<Double> arr) { double min = Double.MAX_VALUE; for (int i = 0; i < arr.size(); i++) { double d = arr.get(i); if (d < min) min = d; } return min; } }