Java SortedSet Usage toDoubleArray(final int[] intArray)

Description

to Double Array

License

Apache License

Parameter

Parameter	Description
intArray	a parameter

Declaration

public static double[] toDoubleArray(final int[] intArray) 

Method Source Code

//package com.java2s;
/**//  w ww  . ja v  a 2s. c  o  m
 * Copyright (C) [2013] [The FURTHeR Project]
 *
 * 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;
import java.util.SortedSet;

public class Main {
    /**
     * @param set
     * @return
     */
    public static double[] toDoubleArray(final SortedSet<Integer> set) {
        final int length = set.size();
        final double[] doubleArray = new double[length];
        int i = 0;
        for (final Integer element : set) {
            doubleArray[i] = element.intValue();
            i++;
        }
        return doubleArray;
    }

    /**
     * @param intArray
     * @return
     */
    public static double[] toDoubleArray(final int[] intArray) {
        final int length = intArray.length;
        final double[] doubleArray = new double[length];
        for (int i = 0; i < intArray.length; i++) {
            doubleArray[i] = intArray[i];
        }
        return doubleArray;
    }

    /**
     * @param row
     * @return
     */
    public static double[] toDoubleArray(final List<Double> row) {
        final int rowSize = row.size();
        final double[] rowArray = new double[rowSize];
        for (int i = 0; i < rowSize; i++) {
            rowArray[i] = row.get(i).doubleValue();
        }
        return rowArray;
    }
}

Related

1. findPositionFor(final T item, final SortedSet values)
2. firstOrNull(SortedSet set)
3. nextValue(SortedSet valueSet, int startValue)
4. sortedSetIsAssignableFrom(Class aClass)
5. sortedSetOf(final Object obj, final Class castTo)