Here you can find the source of min(List extends Number> values)
public static double min(List<? extends Number> values)
//package com.java2s; /*/*from w w w . ja va 2 s .c o m*/ * Copyright 2016 Roche NimbleGen Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.List; public class Main { /** * @param values * @return the min of all provided values */ public static int min(int... values) { int min = Integer.MAX_VALUE; for (int value : values) { if (value < min) { min = value; } } return min; } /** * @param values * @return the min of all provided values */ public static double min(double... values) { double min = Integer.MAX_VALUE; for (double value : values) { if (value < min) { min = value; } } return min; } public static double min(List<? extends Number> values) { double min = Integer.MAX_VALUE; for (Number value : values) { if (value.doubleValue() < min) { min = value.doubleValue(); } } return min; } }