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With inspiration from other libraries

There is a newer version: 2.12.15

/*
 * 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.
 */

package org.apache.commons.math3.optimization.univariate;

import java.io.Serializable;

/**
 * This class holds a point and the value of an objective function at this
 * point.
 * This is a simple immutable container.
 *
 * @deprecated As of 3.1 (to be removed in 4.0).
 * @since 3.0
 */
@Deprecated
public class UnivariatePointValuePair implements Serializable {
    /** Serializable version identifier. */
    private static final long serialVersionUID = 1003888396256744753L;
    /** Point. */
    private final double point;
    /** Value of the objective function at the point. */
    private final double value;

    /**
     * Build a point/objective function value pair.
     *
     * @param point Point.
     * @param value Value of an objective function at the point
     */
    public UnivariatePointValuePair(final double point,
                                    final double value) {
        this.point = point;
        this.value = value;
    }

    /**
     * Get the point.
     *
     * @return the point.
     */
    public double getPoint() {
        return point;
    }

    /**
     * Get the value of the objective function.
     *
     * @return the stored value of the objective function.
     */
    public double getValue() {
        return value;
    }
}