    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one
    003 * or more contributor license agreements.  See the NOTICE file
    004 * distributed with this work for additional information
    005 * regarding copyright ownership.  The ASF licenses this file
    006 * to you under the Apache License, Version 2.0 (the
    007 * "License"); you may not use this file except in compliance
    008 * with the License.  You may obtain a copy of the License at
    009 *
    010 *   https://www.apache.org/licenses/LICENSE-2.0
    011 *
    012 * Unless required by applicable law or agreed to in writing,
    013 * software distributed under the License is distributed on an
    014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    015 * KIND, either express or implied.  See the License for the
    016 * specific language governing permissions and limitations
    017 * under the License.
    018 */
    019package org.apache.bcel.verifier.statics;
    020
    021import java.util.ArrayList;
    022import java.util.List;
    023
    024/**
    025 * A small utility class representing a set of basic int values.
    026 */
    027public class IntList {
    028
    029    /** The int are stored as Integer objects here. */
    030    private final List<Integer> list;
    031
    032    /** This constructor creates an empty list. */
    033    IntList() {
    034        list = new ArrayList<>();
    035    }
    036
    037    /** Adds an element to the list. */
    038    void add(final int i) {
    039        list.add(Integer.valueOf(i));
    040    }
    041
    042    /** Tests if the specified int is already in the list. */
    043    boolean contains(final int i) {
    044        return list.contains(i);
    045    }
    046}