Java Collection Max max(Collection values)

Description

Returns the maximum of the given values.

License

Apache License

Parameter

Parameter	Description
values	a collection of values
T	type of values

Return

the maximum

Declaration

public static <T extends Number> T max(Collection<T> values) 

Method Source Code

//package com.java2s;
/**/*from   ww w .ja  va 2s  . c om*/
 * Copyright 2014 SAP AG
 *
 * 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.Collection;

public class Main {
    /**
     * Returns the maximum of the given values.
     * 
     * @param values
     *            a collection of values
     * @param <T>
     *            type of values
     * @return the maximum
     */
    public static <T extends Number> T max(Collection<T> values) {
        T max = null;

        for (T value : values) {
            if (max == null) {
                max = value;
                continue;
            }
            @SuppressWarnings("unchecked")
            Comparable<T> comparable = (Comparable<T>) value;
            if (comparable.compareTo(max) > 0) {
                max = value;
            }
        }

        return max;
    }
}

Related

1. max(Collection list)
2. max(Collection strs)
3. max(Collection col)
4. max(Collection elems)
5. max(Collection values)
6. max(final Collection values)
7. max(final Collection collection)
8. maxLength(Collection strings)
9. maxOr(Collection values, T defaultVal)