Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.HashMap;

import java.util.Map;

public class Main {
    /**
     * Maps wrapper {@code Class}es to their corresponding primitive types.
     */
    private static final Map<Class<?>, Class<?>> wrapperPrimitiveMap = new HashMap<Class<?>, Class<?>>();

    /**
     * Returns whether the given {@code type} is a primitive or primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character},
     * {@link Short}, {@link Integer}, {@link Long}, {@link Double}, {@link Float}).
     * 
     * @param type
     *            The class to query or null.
     * @return true if the given {@code type} is a primitive or primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character},
     *         {@link Short}, {@link Integer}, {@link Long}, {@link Double}, {@link Float}).
     * @since 3.1
     */
    public static boolean isPrimitiveOrWrapper(Class<?> type) {
        if (type == null) {
            return false;
        }
        return type.isPrimitive() || isPrimitiveWrapper(type);
    }

    /**
     * Returns whether the given {@code type} is a primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character}, {@link Short},
     * {@link Integer}, {@link Long}, {@link Double}, {@link Float}).
     * 
     * @param type
     *            The class to query or null.
     * @return true if the given {@code type} is a primitive wrapper ({@link Boolean}, {@link Byte}, {@link Character}, {@link Short},
     *         {@link Integer}, {@link Long}, {@link Double}, {@link Float}).
     * @since 3.1
     */
    public static boolean isPrimitiveWrapper(Class<?> type) {
        return wrapperPrimitiveMap.containsKey(type);
    }
}