Java List Max max(List objectList)

Description

max

License

Apache License

Declaration

public static <T extends Number> T max(List<T> objectList) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2009, 2010 Lars Grammel /*from  ww w.ja  va 2 s. c o  m*/
 *
 * 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 {
    public static double max(double[] values) {
        assert values.length > 0;

        double max = values[0];
        for (int i = 1; i < values.length; i++) {
            if (values[i] > max) {
                max = values[i];
            }
        }
        return max;
    }

    public static <T extends Number> T max(List<T> objectList) {
        assert !objectList.isEmpty();

        if (objectList.isEmpty()) {
            throw new IllegalArgumentException("Number List was empty.");
        }
        T max = objectList.get(0);
        for (int i = 1; i < objectList.size(); i++) {
            if (objectList.get(i).doubleValue() > max.doubleValue()) {
                max = objectList.get(i);
            }
        }
        return max;
    }
}

Related

1. max(List liste)
2. max(List list, int maximumSize)
3. max(List runtimeList)
4. max(List numberList)
5. max(List numbers)
6. max(List arg)
7. maxAbsVal(List vals)
8. maxIndex( List list)
9. maxIndex(List list)