Here you can find the source of toDoubles(Object[] extraArgs)
public static double[] toDoubles(Object[] extraArgs)
//package com.java2s; /*/* w ww .j a va 2 s.c o m*/ * * * Copyright 2015 Skymind,Inc. * * * * 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. * * */ public class Main { public static double[] toDoubles(Object[] extraArgs) { double[] ret = new double[extraArgs.length]; for (int i = 0; i < extraArgs.length; i++) { ret[i] = Double.valueOf(extraArgs[i].toString()); } return ret; } }