Here you can find the source of toBoolean(String val)
public static final boolean toBoolean(String val)
//package com.java2s; /* =========================================================================== * Copyright (C) 2015 CapsicoHealth 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./*from w w w .ja v a2 s. co m*/ */ public class Main { public static final boolean toBoolean(String val) { return val != null && (val.equals("1") || val.equalsIgnoreCase("Y") || val.equalsIgnoreCase("T") || val.equalsIgnoreCase("YES") || val.equalsIgnoreCase("TRUE")); } public static final boolean Equals(String S1, String S2) { if (S1 == null && S2 == null) return true; if (S1 == null || S2 == null) return false; return S1.equals(S2); } }