001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018package org.apache.bcel.verifier.statics; 019 020import java.util.ArrayList; 021import java.util.List; 022 023/** 024 * A small utility class representing a set of basic int values. 025 * 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 /** Checks if the specified int is already in the list. */ 043 boolean contains(final int i) { 044 return list.contains(i); 045 } 046}