Here you can find the source of booleanToString(Boolean b)
private static String booleanToString(Boolean b)
//package com.java2s; /*//ww w. ja v a2s . c om * Copyright 2011 Future Systems * * 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 { private static String booleanToString(Boolean b) { String content = null; if (b.booleanValue()) content = "1"; else content = "0"; return content; } }