Java tutorial
//package com.java2s; /* * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team) * * 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.Set; import com.google.common.collect.*; public class Main { public static <T> Set<T> removeSorted(Set<T> set, T element) { final int size = set.size(); if (size == 0 || (size == 1 && set.contains(element))) { return ImmutableSet.of(); } else { set.remove(element); } return set; } }