Here you can find the source of valueOf(String stringVal, boolean dVal)
public static boolean valueOf(String stringVal, boolean dVal)
//package com.java2s; /*/*from w w w .jav a2 s. c o m*/ * Copyright 2013 Push Technology * * 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 { /** * Value of double with default fall back value. * * @param stringVal ... * @param dVal ... * @return the value of stringVal or dVal if it fails */ public static double valueOf(String stringVal, double dVal) { try { return Double.valueOf(stringVal); } catch (Exception e) { return dVal; } } public static long valueOf(String stringVal, long dVal) { try { return Long.valueOf(stringVal); } catch (Exception e) { return dVal; } } public static int valueOf(String stringVal, int dVal) { try { return Integer.valueOf(stringVal); } catch (Exception e) { return dVal; } } public static boolean valueOf(String stringVal, boolean dVal) { try { return Boolean.valueOf(stringVal); } catch (Exception e) { return dVal; } } }