Here you can find the source of combineProblemMessages(final Collection
static String combineProblemMessages(final Collection<String> problems)
//package com.java2s; /**/*from w ww.j av a 2 s . c o m*/ * Copyright (C) 2016 Red Hat, Inc. and/or its affiliates. * * 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.Collection; public class Main { static String combineProblemMessages(final Collection<String> problems) { final StringBuilder builder = new StringBuilder("The following problems were found:\n\n"); for (final String problem : problems) { builder.append(problem).append("\n"); } return builder.toString(); } }