for (int i = 0; i < num; i++) {
            hmap.put(String.valueOf(i), null);
        }
        System.out.println("HashMap.put:" + (System.currentTimeMillis() - start));

        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            amap.put(String.valueOf(i), null);
        }
        System.out.println("ArrayMap.put:" + (System.currentTimeMillis() - start));

        lru.put("aaa", "111");
        lru.put("bbb", "222");
        lru.put("ccc", "333");
        assertThat(lru.get("aaa"), is("111"));
        Iterator<String> i = lru.keySet().iterator();
        assertThat(i.next(), is("bbb"));
        assertThat(i.next(), is("ccc"));
        assertThat(i.next(), is("aaa"));
        lru.put("ddd", "444");
        assertThat(lru.size(), is(3));

     * @throws Exception
     */
    @Test
    public void testCopy_MapToBean() throws Exception {
        final Map<String, Object> map = newHashMap();
        map.put("a", "A");
        map.put("b", true);
        map.put("c", 3);
        map.put("d", 1.4);
        final HogeDto hoge = new HogeDto();
        BeanUtil.copyMapToBean(map, hoge);
        assertThat(hoge.getA(), is("A"));

    /**
     * @throws Exception
     */
    @Test
    public void testGet() throws Exception {
        final BeanMap map = new BeanMap();
        map.put("aaa", 1);
        map.put("bbb", 2);
        assertThat(map.get("aaa"), is((Object) 1));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGet_NotContains() throws Exception {

     * .
     */
    @Test
    public void testIsNotEmptyMapOfQQ() {
        final HashMap<String, String> map = new HashMap<String, String>();
        map.put("key", "value");
        assertThat(CollectionsUtil.isNotEmpty(map), is(true));
    }

                list = newArrayList();
                methodDescListMap.put(methodName, list);
            }
            list.add(new MethodDescImpl(this, method));
        }
        for (int i = 0; i < methodDescListMap.size(); ++i) {
            final List<MethodDesc> methodDescList = methodDescListMap.getAt(i);
            methodDescsCache.put(methodDescListMap.getKeyAt(i), methodDescList.toArray(new MethodDesc[methodDescList.size()]));

        assertArgumentNotNull("locale", locale);

        DecimalFormatSymbols symbols = CACHE.get(locale);
        if (symbols == null) {
            symbols = new DecimalFormatSymbols(locale);
            CACHE.put(locale, symbols);
        }
        return symbols;
    }

        for (final String name : beanDesc.getMethodNames()) {
            final Object v = getProperty(beanDesc, annotation, name);
            if (v != null) {
                map.put(name, v);
            }
        }
        return map;
    }

    /**
     * アノテーションの要素の値を返します。
     *
     * @param beanDesc
     *            アノテーションを表す{@link BeanDesc}
     * @param annotation

     *            <code>Map</code>に追加されるキー
     * @param value
     *            <code>Map</code>に追加される値
     * @return このインスタンス自身
     */
    public Maps<K, V> $(final K key, final V value) {
        map.put(key, value);
        return this;
    }

    /**
     * <code>Map</code>を返します。
     *
     * @return キーと値が追加された<code>Map</code>
     */
    public Map<K, V> $() {
        return map;
    }

        for (final Enumeration<String> e = bundle.getKeys(); e.hasMoreElements();) {
            final String key = e.nextElement();
            final String value = bundle.getString(key);
            ret.put(key, value);
        }
        return ret;
    }

    /**
     * リソースバンドルを{@link Map}に変換して返します。
     *
     * @param name
     *            リソースバンドルの名前。{@literal null}や空文字列であってはいけません