{"id":1549,"date":"2023-06-27T13:54:14","date_gmt":"2023-06-27T05:54:14","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1549"},"modified":"2023-06-27T13:54:14","modified_gmt":"2023-06-27T05:54:14","slug":"java%e5%a6%82%e4%bd%95%e8%87%aa%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e5%8f%98%e9%95%bf%e6%95%b0%e7%bb%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/%e7%ae%97%e6%b3%95\/java%e5%a6%82%e4%bd%95%e8%87%aa%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e5%8f%98%e9%95%bf%e6%95%b0%e7%bb%84%ef%bc%9f\/","title":{"rendered":"Java\u5982\u4f55\u81ea\u5b9a\u4e49\u4e00\u4e2a\u53d8\u957f\u6570\u7ec4\uff1f"},"content":{"rendered":"
\n

\u9996\u5148\u9700\u8981\u58f0\u660e\u7684\u662f\uff0cJava<\/strong>\u672c\u8eab\u662f\u63d0\u4f9b\u4e86\u53d8\u957f\u6570\u7ec4\u7684\uff0c\u5373<\/span>Array<\/span>List<\/span><\/strong>\u3002\u90a3\u4e48\u81ea\u5b9a\u4e49\u4e00\u4e2a\u53d8\u957f\u6570\u7ec4\u6709\u5565\u7528\uff1f\u5176\u5b9e\u6ca1\u5565\u7528\u6216\u8005\u8bf4\u7528\u5904\u4e0d\u5927\uff0c\u8fd9\u91cc\u4e3b\u8981\u5c31\u662f\u4e3a\u4e86\u4e86\u89e3\u4e0b\u53d8\u957f\u6570\u7ec4\u7684\u8bbe\u8ba1\u7406\u5ff5\u800c\u5df2\u3002\u5b9e\u9645\u5de5\u4f5c\u4e2d\u76f4\u63a5\u4f7f\u7528ArrayList<\/strong>\u3002<\/span><\/p>\n

\u601d\u8def\u5206\u6790<\/span><\/span><\/h2>\n

\u4e3b\u8981\u529f\u80fd\u70b9<\/span><\/p>\n

1. \u65b0\u5efa\u65f6\u53ef\u4ee5\u6307\u5b9a\u5bb9\u91cf\u5927\u5c0f\uff0c\u4e0d\u6307\u5b9a\u65f6\u4f7f\u7528\u9ed8\u8ba4\u5bb9\u91cf\u5927\u5c0f\u3002<\/span><\/p>\n

2. \u5411\u6570\u7ec4\u4e2d\u8ffd\u52a0\u65b0\u5143\u7d20\uff0c\u5f53\u8d85\u8fc7\u5bb9\u91cf\u65f6\u5e94\u8be5\u81ea\u52a8\u6269\u5bb9\u3002<\/span><\/p>\n

3. \u5411\u6570\u7ec4\u4e2d\u6307\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u9700\u8981\u8003\u8651\u6307\u5b9a\u7684\u4e0b\u6807\u662f\u5426\u8d8a\u754c\uff0c\u540c\u6837\u4e5f\u9700\u8981\u8003\u8651\u6269\u5bb9\u64cd\u4f5c\u3002<\/span><\/p>\n

4. \u5220\u9664\u672b\u5c3e\u7684\u5143\u7d20\uff0c\u9700\u8981\u8003\u8651\u7f29\u5c0f\u5bb9\u91cf\u3002<\/span><\/p>\n

5. \u5220\u9664\u6307\u5b9a\u4f4d\u7f6e\u5143\u7d20\uff0c\u9700\u8981\u8003\u8651\u6307\u5b9a\u7684\u4e0b\u6807\u662f\u5426\u8d8a\u754c\uff0c\u540c\u6837\u4e5f\u9700\u8981\u8003\u8651\u7f29\u5c0f\u5bb9\u91cf\u3002<\/span><\/p>\n

6. \u4fee\u6539\u7279\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u9700\u8981\u8003\u8651\u6307\u5b9a\u7684\u4e0b\u6807\u662f\u5426\u8d8a\u754c\u3002<\/span><\/p>\n

7. \u4ee5\u65f6\u95f4\u590d\u6742\u5ea6\u4e3a<\/span>O(1)<\/em><\/span>\u83b7\u53d6\u4efb\u610f\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u9700\u8981\u8003\u8651\u6307\u5b9a\u7684\u4e0b\u6807\u662f\u5426\u8d8a\u754c\u3002<\/span><\/p>\n


<\/section>\n
\u4e3b\u8981\u6ce8\u610f\u70b9<\/span><\/section>\n

1. \u6269\u5bb9\uff1a<\/strong>\u8fd9\u91cc\u6269\u5bb9 2<\/strong> \u500d\uff08ArrayList<\/strong> \u662f\u6269\u5bb9 1.5<\/strong> \u500d\uff09\uff0c\u6269\u5bb9\u65f6\u65b0\u5efa\u4e00\u4e2a 2<\/strong> \u500d\u5bb9\u91cf\u7684\u65b0\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u65e7\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6309\u987a\u5e8f\u62f7\u8d1d\u5230\u65b0\u6570\u7ec4\u3002<\/span><\/p>\n

2. \u7f29\u5bb9\uff1a<\/strong>\u5f53\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u4e2a\u6570 <= 0.25 * \u5bb9\u91cf<\/strong>\u65f6\uff0c\u81ea\u52a8\u7f29\u5c0f\u5bb9\u91cf\u4e3a\u539f\u6765\u7684\u4e00\u534a\uff0c\u65b0\u5efa\u4e00\u4e2a\u5bb9\u91cf\u662f\u539f\u6765\u5bb9\u91cf\u4e00\u534a\u7684\u6570\u7ec4\uff0c\u7136\u540e\u5c06\u65e7\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6309\u987a\u5e8f\u62f7\u8d1d\u5230\u65b0\u6570\u7ec4\u3002\uff08ArrayList<\/strong> \u7f29\u5c0f\u4e3a\u548c\u5f53\u524d\u5143\u7d20\u4e2a\u6570\u4e00\u6837\u5927\uff09\u3002<\/span><\/p>\n

3. \u6307\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\uff1a<\/strong>\u9700\u8981\u5148\u5c06\u6307\u5b9a\u4f4d\u7f6e\u53ca\u540e\u9762\u6240\u6709\u7684\u5143\u7d20\u90fd\u5411\u540e\u79fb\u52a8\u4e00\u4f4d\uff0c\u5c06\u6307\u5b9a\u4f4d\u7f6e\u7a7a\u51fa\u6765\u7136\u540e\u518d\u63d2\u5165\u3002<\/span><\/p>\n

4. <\/span>\u6307\u5b9a\u4f4d\u7f6e\u5220\u9664\uff1a<\/strong>\u5148\u5c06<\/span>\u6307\u5b9a\u4f4d\u7f6e\u5220\u9664\uff0c\u7136\u540e\u5c06\u540e\u9762\u7684\u6240\u6709\u5143\u7d20\u90fd\u5411\u524d\u79fb\u52a8\u4e00\u4f4d\u3002<\/span><\/span><\/p>\n

5. \u5bb9\u91cf\u5927\u5c0f\uff1a<\/strong>\u9700\u8981\u6307\u5b9a\u5bb9\u91cf\u7684\u6700\u5927\u503c\uff0c\u907f\u514d OOM <\/strong>\u7684\u53d1\u751f\u3002\u6700\u5c0f\u503c\u53ef\u4ee5\u6307\u5b9a\u4e5f\u53ef\u4ee5\u4e0d\u6307\u5b9a\u3002<\/span><\/p>\n


<\/p>\n

\u4ee3\u7801\u5b9e\u73b0<\/span><\/h2>\n
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    \/**<\/span><\/span><\/code> * \u53d8\u957f\u6570\u7ec4<\/span><\/span><\/code> * *\/<\/span><\/span><\/code>public<\/span> class<\/span> ResizeableArray<\/span><E> {<\/span><\/span><\/code>    private<\/span> static<\/span> final int<\/span> MIN_CAPACITY = 10<\/span>;<\/span><\/code>    private<\/span> static<\/span> final int<\/span> MAX_CAPACITY = Integer.MAX_VALUE - 8<\/span>;<\/span><\/code>    \/\/ \u5f53\u524d\u5b9e\u9645\u6570\u636e\u5927\u5c0f<\/span><\/span><\/code>    private<\/span> int<\/span> size = 0<\/span>;<\/span><\/code>    \/\/ \u5b9e\u9645\u5b58\u653e\u5143\u7d20\u7684\u6570\u7ec4\uff0c\u5bb9\u91cf\u4e3a elements.length<\/span><\/span><\/code>    private<\/span> Object[] elements;<\/span><\/code>    <\/span><\/code>    public<\/span> ResizeableArray<\/span>()<\/span><\/span>{<\/span><\/code>        this<\/span>(MIN_CAPACITY);<\/span><\/code>    }<\/span><\/code>    <\/span><\/code>    public<\/span> ResizeableArray<\/span>(int<\/span> initCapacity)<\/span><\/span>{<\/span><\/code>        if<\/span>(initCapacity < MIN_CAPACITY){<\/span><\/code>            initCapacity = MIN_CAPACITY;<\/span><\/code>        }else<\/span> if<\/span>(initCapacity > MAX_CAPACITY){<\/span><\/code>            initCapacity = MAX_CAPACITY;<\/span><\/code>        }<\/span><\/code>        this<\/span>.elements = new<\/span> Object[initCapacity];<\/span><\/code>    }<\/span><\/code>    <\/span><\/code>    \/\/ \u6570\u7ec4\u7684\u7279\u6027\uff0c\u6839\u636e\u4e0b\u6807\u83b7\u53d6\u5143\u7d20<\/span><\/span><\/code>    public<\/span> E get<\/span>(int<\/span> index)<\/span><\/span>{<\/span><\/code>        this<\/span>.checkIndex(index);<\/span><\/code>        return<\/span> (E)elements[index];<\/span><\/code>    }<\/span><\/code>    <\/span><\/code>    \/\/ \u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\u5230\u6700\u540e<\/span><\/span><\/code>    public<\/span> void<\/span> add<\/span>(E element)<\/span><\/span>{<\/span><\/code>        if<\/span>(size == elements.length){<\/span><\/code>            \/\/ \u9700\u8981\u6269\u5bb9<\/span><\/span><\/code>            this<\/span>.expandCapacity();<\/span><\/code>        }<\/span><\/code>        elements[size++] = element;<\/span><\/code>    }<\/span><\/code>    \/\/ \u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20\u5230\u6307\u5b9a\u4f4d\u7f6e<\/span><\/span><\/code>    public<\/span> void<\/span> add<\/span>(int<\/span> index, E element)<\/span><\/span>{<\/span><\/code>        if<\/span>(index == size){<\/span><\/code>            this<\/span>.add(element);<\/span><\/code>            return<\/span>;<\/span><\/code>        }<\/span><\/code>        this<\/span>.checkIndex(index);<\/span><\/code>        if<\/span>(size == elements.length){<\/span><\/code>            \/\/ \u9700\u8981\u6269\u5bb9<\/span><\/span><\/code>            this<\/span>.expandCapacity();<\/span><\/code>        }<\/span><\/code>        \/\/ \u9700\u8981\u5148\u5c06index\u548c\u4e4b\u540e\u7684\u6240\u6709\u5143\u7d20\u5411\u540e\u79fb\u52a8\u4e00\u4f4d<\/span><\/span><\/code>        for<\/span>(int<\/span> i = size - 1<\/span>; i >= index; i--){<\/span><\/code>            elements[i + 1<\/span>] = elements[i];<\/span><\/code>        }<\/span><\/code>        elements[index] = element;<\/span><\/code>        size++;<\/span><\/code>    }<\/span><\/code>    \/\/ \u8bbe\u7f6e\u4e0b\u6807\u4e3aindex\u7684\u5143\u7d20<\/span><\/span><\/code>    private<\/span> void<\/span> set<\/span>(int<\/span> index, E element)<\/span><\/span>{<\/span><\/code>        this<\/span>.checkIndex(index);<\/span><\/code>        elements[index] = element;<\/span><\/code>    }<\/span><\/code>
    <\/span><\/code>    \/**<\/span><\/span><\/code>     * \u5220\u9664\u4e0b\u6807\u4e3aindex\u7684\u5143\u7d20<\/span><\/span><\/code>     * \u5f53 size <= 0.25 * capacity \u7684\u65f6\u5019\u7f29\u5c0f\u5bb9\u91cf<\/span><\/span><\/code>     *\/<\/span><\/span><\/code>    private<\/span> void<\/span> delete<\/span>(int<\/span> index)<\/span><\/span>{<\/span><\/code>        this<\/span>.checkIndex(index);<\/span><\/code>        elements[index] = null;<\/span><\/code>        \/\/ \u5982\u679c\u5220\u9664\u7684\u4e0d\u662f\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0c\u9700\u8981\u5c06\u540e\u7eed\u5143\u7d20\u5f80\u524d\u79fb\u52a8\u4e00\u4f4d<\/span><\/span><\/code>        if<\/span>(index < size - 1<\/span>){<\/span><\/code>            for<\/span>(int<\/span> i = index + 1<\/span>; i < size; i++){<\/span><\/code>                elements[i - 1<\/span>] = elements[i];<\/span><\/code>            }<\/span><\/code>        }<\/span><\/code>        size--;<\/span><\/code>        if<\/span>(size <= 0.25<\/span> * elements.length){<\/span><\/code>            this<\/span>.reduceCapacity();<\/span><\/code>        }<\/span><\/code>    }<\/span><\/code>
    <\/span><\/code>    private<\/span> void<\/span> deleteLast<\/span>()<\/span><\/span>{<\/span><\/code>        this<\/span>.delete<\/span>(size - 1<\/span>);<\/span><\/code>    }<\/span><\/code>
    <\/span><\/code>    private<\/span> void<\/span> checkIndex<\/span>(int<\/span> index)<\/span><\/span>{<\/span><\/code>        if<\/span>(index < 0<\/span> || index >= size){<\/span><\/code>            throw<\/span> new<\/span> IndexOutOfBoundsException(String.format(\"Out of bounds at: %s, size is: %d\"<\/span>, index, size));<\/span><\/code>        }<\/span><\/code>    }<\/span><\/code>
    <\/span><\/code>    private<\/span> void<\/span> expandCapacity<\/span>()<\/span><\/span>{<\/span><\/code>        if<\/span>(MAX_CAPACITY == elements.length){<\/span><\/code>            \/\/ \u5bb9\u91cf\u8fbe\u5230\u6700\u5927\u9650\u5236\uff0c\u65e0\u6cd5\u6269\u5bb9\u3002<\/span><\/span><\/code>            throw<\/span> new<\/span> RuntimeException(\"The capacity has reached its maximum limit and cannot be expanded.\"<\/span>);<\/span><\/code>        }<\/span><\/code>        int<\/span> newCapacity = Math.min(elements.length << 1<\/span>, MAX_CAPACITY);<\/span><\/code>        Object[] newElements = new<\/span> Object[newCapacity];<\/span><\/code>        System.arraycopy(elements, 0<\/span>, newElements, 0<\/span>, size);<\/span><\/code>        elements = newElements;<\/span><\/code>    }<\/span><\/code>
    <\/span><\/code>    private<\/span> void<\/span> reduceCapacity<\/span>()<\/span><\/span>{<\/span><\/code>        if<\/span>(elements.length == MIN_CAPACITY){<\/span><\/code>            return<\/span>;<\/span><\/code>        }<\/span><\/code>        int<\/span> newCapacity = Math.max(elements.length >> 1<\/span>, MIN_CAPACITY);<\/span><\/code>        Object[] newElements = new<\/span> Object[newCapacity];<\/span><\/code>        System.arraycopy(elements, 0<\/span>, newElements, 0<\/span>, size);<\/span><\/code>        elements = newElements;<\/span><\/code>    }<\/span><\/code>
    <\/span><\/code>    public<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span><\/span>{<\/span><\/code>        ResizeableArray<Integer> resizeableArray = new<\/span> ResizeableArray<>();<\/span><\/code>        System.out.printf<\/span>(\"\u521d\u59cb\u5316\u540e\uff0csize\u4e3a: %d n\"<\/span>, resizeableArray.size);<\/span><\/code>        System.out.printf<\/span>(\"\u521d\u59cb\u5316\u540e\uff0ccapacity\u4e3a: %d n\"<\/span>, resizeableArray.elements.length);<\/span><\/code>        System.out.println();<\/span><\/code>
    <\/span><\/code>        for<\/span>(int<\/span> i = 0<\/span>; i < 20<\/span>; i++){<\/span><\/code>            resizeableArray.add(i);<\/span><\/code>        }<\/span><\/code>
    <\/span><\/code>        System.out.printf<\/span>(\"\u6dfb\u52a020\u4e2a\u5143\u7d20\u540e\uff0csize\u4e3a: %d n\"<\/span>, resizeableArray.size);<\/span><\/code>        System.out.printf<\/span>(\"\u6dfb\u52a020\u4e2a\u5143\u7d20\u540e\uff0ccapacity\u4e3a: %d n\"<\/span>, resizeableArray.elements.length);<\/span><\/code>        System.out.printf<\/span>(\"\u6dfb\u52a020\u4e2a\u5143\u7d20\u540e\uff0c\u7b2c5\u4e2a\u5143\u7d20\u662f: %d n\"<\/span>, resizeableArray.get(4<\/span>));<\/span><\/code>        System.out.println();<\/span><\/code>
    <\/span><\/code>        resizeableArray.delete<\/span>(4<\/span>);<\/span><\/code>
    <\/span><\/code>        System.out.printf<\/span>(\"\u5220\u9664\u7b2c\u4e94\u4e2a\u5143\u7d20\u540e\uff0csize\u4e3a: %d n\"<\/span>, resizeableArray.size);<\/span><\/code>        System.out.printf<\/span>(\"\u5220\u9664\u7b2c\u4e94\u4e2a\u5143\u7d20\u540e\uff0ccapacity\u4e3a: %d n\"<\/span>, resizeableArray.elements.length);<\/span><\/code>        System.out.printf<\/span>(\"\u5220\u9664\u7b2c\u4e94\u4e2a\u5143\u7d20\u540e\uff0c\u7b2c5\u4e2a\u5143\u7d20\u662f: %dn\"<\/span>, resizeableArray.get(4<\/span>));<\/span><\/code>        System.out.println();<\/span><\/code>
    <\/span><\/code>        resizeableArray.add(4<\/span>, 100<\/span>);<\/span><\/code>        System.out.printf<\/span>(\"\u5728\u7b2c\u4e94\u4e2a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u540e\uff0csize\u4e3a: %d n\"<\/span>, resizeableArray.size);<\/span><\/code>        System.out.printf<\/span>(\"\u5728\u7b2c\u4e94\u4e2a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u540e\uff0ccapacity\u4e3a: %d n\"<\/span>, resizeableArray.elements.length);<\/span><\/code>        System.out.printf<\/span>(\"\u5728\u7b2c\u4e94\u4e2a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u540e\uff0c\u7b2c5\u4e2a\u5143\u7d20\u662f: %dn\"<\/span>, resizeableArray.get(4<\/span>));<\/span><\/code>        System.out.println();<\/span><\/code>
    <\/span><\/code>        for<\/span>(int<\/span> i = 0<\/span>; i < 15<\/span>; i++){<\/span><\/code>            resizeableArray.deleteLast();<\/span><\/code>        }<\/span><\/code>        System.out.printf<\/span>(\"\u5220\u9664\u540e\u976215\u4e2a\u5143\u7d20\u540e\uff0csize\u4e3a: %d n\"<\/span>, resizeableArray.size);<\/span><\/code>        System.out.printf<\/span>(\"\u5220\u9664\u540e\u976215\u4e2a\u5143\u7d20\u540e\uff0ccapacity\u4e3a: %d n\"<\/span>, resizeableArray.elements.length);<\/span><\/code>        System.out.printf<\/span>(\"\u5220\u9664\u540e\u976215\u4e2a\u5143\u7d20\u540e\uff0c\u7b2c5\u4e2a\u5143\u7d20\u662f: %dn\"<\/span>, resizeableArray.get(4<\/span>));<\/span><\/code>        System.out.println();<\/span><\/code>
    <\/span><\/code>        resizeableArray.set<\/span>(4<\/span>, 200<\/span>);<\/span><\/code>        System.out.printf<\/span>(\"\u4fee\u6539\u7b2c\u4e94\u4e2a\u5143\u7d20\u540e\uff0c\u5f53\u524dsize\u4e3a: %d n\"<\/span>, resizeableArray.size);<\/span><\/code>        System.out.printf<\/span>(\"\u4fee\u6539\u7b2c\u4e94\u4e2a\u5143\u7d20\u540e\uff0ccapacity\u4e3a: %d n\"<\/span>, resizeableArray.elements.length);<\/span><\/code>        System.out.printf<\/span>(\"\u4fee\u6539\u7b2c\u4e94\u4e2a\u5143\u7d20\u540e\uff0c\u7b2c5\u4e2a\u5143\u7d20\u662f: %dn\"<\/span>, resizeableArray.get(4<\/span>));<\/span><\/code>    }<\/span><\/code>}<\/span><\/code><\/pre>\n<\/section>\n

    <\/section>\n
    \u6d4b\u8bd5\u7ed3\u679c<\/span><\/p>\n
    \u7531\u6267\u884c\u7ed3\u679c\u53ef\u77e5\uff1a<\/span><\/p>\n
     1. \u521d\u59cb\u5316\u540e\u9ed8\u8ba4\u5bb9\u91cf\u4e3a 10<\/strong>\u3002<\/span><\/p>\n
     2. \u6dfb\u52a0\u5143\u7d20\u8d85\u8fc7 10<\/strong> \u4e2a\u540e\u4f1a\u81ea\u52a8\u6269\u5bb9\u3002<\/span><\/p>\n
     3. \u5220\u9664\u4e00\u4e2a\u5143\u7d20\u540e\uff0csize<\/strong> \u4f1a\u51cf 1<\/strong>\uff0c\u540e\u9762\u5143\u7d20\u4f1a\u81ea\u52a8\u5411\u524d\u79fb\u52a8\u4e00\u4f4d\u3002<\/span><\/p>\n
     4. \u63d2\u5165\u4e00\u4e2a\u65b0\u5143\u7d20\u540e\uff0csize <\/strong>\u4f1a\u52a0 1<\/strong>\uff0c\u540e\u7eed\u5143\u7d20\u540e\u79fb\u4e00\u4f4d\u3002<\/span><\/p>\n
     5. \u5220\u9664\u5230\u53ea\u6709 0.25 * \u5bb9\u91cf<\/strong> \u4e2a\u5143\u7d20\u540e\uff0c\u4f1a\u81ea\u52a8\u7f29\u5c0f\u5bb9\u91cf\u3002<\/span><\/p>\n
     <\/p>\n
    <\/mp-style-type><\/p>\n
    \n
    \u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 i\u4f59\u6570              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"
    \u9996\u5148\u9700\u8981\u58f0\u660e\u7684\u662f\uff0cJava\u672c\u8eab\u662f\u63d0\u4f9b\u4e86\u53d8\u957f\u6570\u7ec4\u7684\uff0c\u5373ArrayList\u3002\u90a3\u4e48\u81ea\u5b9a\u4e49\u4e00\u4e2a\u53d8\u957f\u6570\u7ec4\u6709\u5565\u7528\uff1f\u5176\u5b9e\u6ca1\u5565\u7528\u6216\u8005\u8bf4\u7528\u5904\u4e0d\u5927\uff0c\u8fd9 …<\/p>\n","protected":false},"author":1,"featured_media":1548,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-1549","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-22"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528043629604-150x150.jpeg","content_first_image":null,"post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528043629604-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528043629604-1024x435.jpeg","post_frist_image":null,"post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528043629604-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528043629604-1024x435.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528043629604.jpeg","post_all_images":[],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"\u7b97\u6cd5","post_date":"2023-06-27","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":250,"next_post_id":2484,"next_post_title":"Java\u4e2d\u5c06 int[] \u6570\u7ec4 \u8f6c\u6362\u4e3a List\uff08ArrayList\uff09","previous_post_id":1489,"previous_post_title":"\u3010\u7b97\u6cd5\u9898\u89e3\u301114. \u6709\u6548\u7684\u62ec\u53f7","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/1549","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1549"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/1549\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media\/1548"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}