Here you can find the source of max(final List
public static Double max(final List<Double> aList, final Double aDefalut)
//package com.java2s; /**/*w ww . java 2 s .c o m*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 { public static Double max(final List<Double> aList, final Double aDefalut) { Double max = aDefalut; if (null != aList) { for (Double value : aList) { if (null != value) { if (null == max) { max = value; } else { max = Math.max(max, value); } } } } return max; } public static Float max(final List<Float> aList, final Float aDefault) { Float max = aDefault; if (null != aList) { for (Float value : aList) { if (null != value) { if (null == max) { max = value; } else { max = Math.max(max, value); } } } } return max; } public static Integer max(final List<Integer> aList, final Integer aDefalut) { Integer max = aDefalut; if (null != aList) { for (Integer value : aList) { if (null != value) { if (null == max) { max = value; } else { max = Math.max(max, value); } } } } return max; } public static Long max(final List<Long> aList, final Long aDefault) { Long max = aDefault; if (null != aList) { for (Long value : aList) { if (null != value) { if (null == max) { max = value; } else { max = Math.max(max, value); } } } } return max; } }