A LinkedLIst\u5185\u90e8\u91c7\u7528\u5355\u5411\u94fe\u8868\u5b9e\u73b0，\u6240\u4ee5\u53ea\u80fd\u4ece\u524d\u5411\u540e\u904d\u5386，\u4e0d\u80fd\u53cd\u5411\u904d\u5386<\/p>\n
B LinkedList\u968f\u673a\u67e5\u8be2\u5feb，\u968f\u673a\u63d2\u5165\u6162<\/p>\n
C ArrayList\u968f\u673a\u67e5\u8be2\u5feb，\u968f\u673a\u63d2\u5165\u6162<\/p>\n
D ArrayList\u548cLinkedList\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u7c7b<\/p>\n
\u6b63\u786e\u7b54\u6848：<\/span>C<\/p>\n \u89e3\u6790：<\/span>LinkedList \u91c7\u7528\u53cc\u5411\u94fe\u8868\u5b9e\u73b0，\u53ef\u4ee5\u53cd\u5411\u904d\u5386，A\u9519\u8bef\u3002 \u94fe\u8868\u968f\u673a\u67e5\u8be2\u6162，\u63d2\u5165\u5feb，B\u9519\u8bef\u3002\u00a0 ArrayList \u548cLinkedList \u90fd\u662f\u975e\u7ebf\u7a0b\u5b89\u5168\u7684\u7c7b，D\u9519\u8bef\u3002<\/p>\n A \u6b63\u786e\u00a0 \u00a0B\u9519\u8bef<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>B<\/p>\n \u89e3\u6790：<\/span>\u5b50\u7c7b\u8c03\u7528\u7236\u7c7b\u7684\u65b9\u6cd5\u65f6,\u5e76\u4e0d\u662f\u5fc5\u987b\u4f7f\u7528super\u5173\u952e\u5b57\u3002\u56e0\u4e3a\u5b50\u7c7b\u4f1a\u81ea\u52a8\u7ee7\u627f\u7236\u7c7b\u7684\u6240\u6709\u975e\u79c1\u6709\u65b9\u6cd5,\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7236\u7c7b\u65b9\u6cd5\u540d\u8c03\u7528\u3002 A\u00a0 LinkedBlockingDeque\u548cLinkedBlockingQueue\u90fd\u662fBlockingQueue\u7684\u5b50\u7c7b<\/p>\n B\u00a0 LinkedBlockingDeque\u548cLinkedBlockingQueue\u90fd\u662f\u901a\u8fc7ReentrantLock\u5b9e\u73b0\u9501，\u7ebf\u7a0b\u5b89\u5168\u7684\u96c6\u5408<\/p>\n C\u00a0 LinkedBlockingDeque\u662f\u57fa\u4e8e\u94fe\u8868\u7684\u3001\u7ebf\u7a0b\u5b89\u5168\u7684\u53cc\u7aef\u963b\u585e\u961f\u5217；LinkedBlockingQueue\u662f\u57fa\u4e8e\u94fe\u8868\u7684\u5148\u8fdb\u5148\u51fa\u7684\u963b\u585e\u961f\u5217<\/p>\n D\u00a0 LinkedBlockingDeque\u548cLinkedBlockingQueue\u90fd\u662f\u65e0\u754c\u7684\u963b\u585e\u961f\u5217<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>D<\/p>\n \u89e3\u6790：<\/span><\/p>\n LinkedBlockingQueue（\u5355\u5411\u963b\u585e\u961f\u5217）<\/p>\n \u7279\u70b9：<\/p>\n \u5355\u5411\u961f\u5217：\u53ea\u80fd\u5728\u961f\u5c3e\u63d2\u5165，\u961f\u5934\u53d6\u51fa（FIFO）<\/p>\n<\/li>\n \u4e24\u4e2a\u9501\u5206\u79bb：\u4f7f\u7528\u4e24\u4e2aReentrantLock（putLock \u548c takeLock），\u5206\u522b\u63a7\u5236\u5165\u961f\u548c\u51fa\u961f<\/p>\n<\/li>\n \u5bb9\u91cf\u53ef\u9009：\u53ef\u6307\u5b9a\u5bb9\u91cf，\u9ed8\u8ba4\u4e3a\u00a0Integer.MAX_VALUE（\u5b9e\u9645\u65e0\u754c）<\/p>\n<\/li>\n \u963b\u585e\u64cd\u4f5c：<\/p>\n put()：\u961f\u5217\u6ee1\u65f6\u963b\u585e<\/p>\n<\/li>\n take()：\u961f\u5217\u7a7a\u65f6\u963b\u585e<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n LinkedBlockingDeque（\u53cc\u5411\u963b\u585e\u961f\u5217）<\/p>\n \u7279\u70b9：<\/p>\n \u53cc\u5411\u961f\u5217：\u53ef\u5728\u961f\u5934\/\u961f\u5c3e\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664<\/p>\n<\/li>\n \u5355\u4e2a\u9501：\u4f7f\u7528\u4e00\u4e2aReentrantLock\u63a7\u5236\u6240\u6709\u64cd\u4f5c<\/p>\n<\/li>\n \u5bb9\u91cf\u53ef\u9009：\u540c\u6837\u53ef\u6307\u5b9a\u5bb9\u91cf<\/p>\n<\/li>\n \u66f4\u4e30\u5bcc\u7684API：\u652f\u6301\u6808\u548c\u961f\u5217\u4e24\u79cd\u64cd\u4f5c\u6a21\u5f0f<\/p>\n<\/li>\n<\/ul>\n Java \u4e2d，\u4e0b\u9762\u54ea\u4e9b\u5f02\u5e38\u7c7b\u5c5e\u4e8e\u8fd0\u884c\u671f\u5f02\u5e38（）<\/p>\n A\u00a0 NullPointerException<\/p>\n B\u00a0 IOException<\/p>\n C\u00a0 ArithmeticException<\/p>\n D\u00a0 NoSuchMethodException<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>AC<\/p>\n \u89e3\u6790：<\/span>NullPointerException\u7a7a\u6307\u9488\u5f02\u5e38\u00a0 \u00a0 \u00a0\u00a0IOException\u8f93\u5165\u8f93\u51fa\u5f02\u5e38\u00a0 \u00a0 \u00a0\u00a0ArithmeticException\u7b97\u6570\u5f02\u5e38\u00a0 \u00a0 \u00a0\u00a0NoSuchMethodException\u6ca1\u6709\u8fd9\u4e2a\u65b9\u6cd5\u5f02\u5e38<\/p>\n NullPointerException\u548cArithmeticException\u662f\u8fd0\u884c\u65f6\u5f02\u5e38<\/p>\n NoSuchMethodException\u548cIOException\u662f\u68c0\u67e5\u578b\u5f02\u5e38<\/p>\n A finalize\u00a0\u00a0B notify\u00a0 C notifyAll\u00a0 D hashCode<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>A<\/p>\n \u89e3\u6790：<\/span>finalize\u662f\u4e00\u4e2a\u7279\u6b8a\u65b9\u6cd5，\u4f1a\u5728\u5783\u573e\u56de\u6536\u5668\u51c6\u5907\u56de\u6536\u5bf9\u8c61\u6240\u5360\u7528\u7684\u5185\u5b58\u4e4b\u524d\u88ab\u81ea\u52a8\u8c03\u7528，\u5f53\u4e00\u4e2a\u5bf9\u8c61\u53d8\u5f97\u4e0d\u53ef\u8fbe\u65f6，\u5783\u573e\u56de\u6536\u5668\u4f1a\u5728\u56de\u6536\u8be5\u5bf9\u8c61\u4e4b\u524d\u8c03\u7528\u5176\u65b9\u6cd5，\u7ed9\u5bf9\u8c61\u53d1\u6700\u540e\u4e00\u6b21\u673a\u4f1a\u5904\u7406\u5fc5\u8981\u7684\u6e05\u7406\u5de5\u4f5c<\/p>\n notify()\u662fObject\u7c7b\u7684\u65b9\u6cd5，\u7528\u4e8e\u5524\u9192\u5728\u8be5\u5bf9\u8c61\u4e0a\u7b49\u5f85\u7684\u5355\u4e2a\u7ebf\u7a0b，\u4e0e\u5783\u573e\u56de\u6536\u65e0\u5173\u3002<\/p>\n \u00a0notifyAll()\u4e5f\u662fObject\u7c7b\u7684\u65b9\u6cd5，\u7528\u4e8e\u5524\u9192\u5728\u8be5\u5bf9\u8c61\u4e0a\u7b49\u5f85\u7684\u6240\u6709\u7ebf\u7a0b，\u540c\u6837\u4e0e\u5783\u573e\u56de\u6536\u65e0\u5173\u3002<\/p>\n hashCode()\u662fObject\u7c7b\u7684\u65b9\u6cd5，\u7528\u4e8e\u8fd4\u56de\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\u503c，\u4e3b\u8981\u7528\u4e8e\u786e\u5b9a\u8be5\u5bf9\u8c61\u5728\u54c8\u5e0c\u8868\u4e2d\u7684\u7d22\u5f15\u4f4d\u7f6e，\u4e0e\u5783\u573e\u56de\u6536\u65e0\u5173\u3002<\/p>\n A \u5b57\u8282\u7801\u00a0 \u00a0B \u6267\u884c\u4ee3\u7801\u00a0 \u00a0C \u673a\u5668\u4ee3\u7801\u00a0 \u00a0D \u4ee5\u4e0a\u90fd\u4e0d\u5bf9<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>A<\/p>\n \u89e3\u6790：<\/span>Java\u7f16\u8bd1\u5668\u4f1a\u5c06Java\u6e90\u4ee3\u7801(.java\u6587\u4ef6)\u8f6c\u6362\u4e3a\u5b57\u8282\u7801(.class\u6587\u4ef6)，\u53ea\u6709\u5f53JVM\u6267\u884c\u5b57\u8282\u7801\u65f6，\u624d\u4f1a\u5c06\u5b57\u8282\u7801\u8f6c\u6362\u4e3a\u76f8\u5e94\u5e73\u53f0\u7684\u673a\u5668\u7801\u3002<\/p>\n \u5982\u4e0b\u4ee3\u7801\u7684\u8f93\u51fa\u662f<\/p>\n 1<\/p>\n 2<\/p>\n 3<\/p>\n 4<\/p>\n 5<\/p>\n 6<\/p>\n 7<\/p>\n 8<\/p>\n 9<\/p>\n 10<\/p>\n 11<\/p>\n 12<\/p>\n 13<\/p>\n 14<\/p>\n 15<\/p>\n 16<\/p>\n 17<\/p>\n 18<\/p>\n 19<\/p>\n 20<\/p>\n 21<\/p>\n 22<\/p>\n 23<\/p>\n 24<\/p>\n 25<\/p>\n<\/td>\n package Test;<\/p>\n public class Test {<\/p>\n \u00a0\u00a0\u00a0\u00a0private static void test(int[] arr) {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0for (int i =\u00a00; i < arr.length; i++) {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0try {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0if (arr[i] %\u00a02 ==\u00a00) {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0throw new NullPointerException();<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0}\u00a0else {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0System.out.print(i);<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0}<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0}\u00a0finally {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0System.out.print("e");<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0}<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0}<\/p>\n \u00a0\u00a0\u00a0\u00a0}<\/p>\n<\/p>\n \u00a0\u00a0\u00a0\u00a0public static void main(String[]args) {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0try {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0test(new int[] {0,\u00a01,\u00a02,\u00a03,\u00a04,\u00a05});<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0}\u00a0catch (Exception e) {<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0System.out.print("E");<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0}<\/p>\n \u00a0\u00a0\u00a0\u00a0}<\/p>\n<\/p>\n }<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n A \u7f16\u8bd1\u51fa\u9519\u00a0 B eE\u00a0 C Ee\u00a0 D\u00a0eE1eE3eE5\u00a0 E Ee1Ee3Ee5<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>B<\/p>\n \u89e3\u6790：<\/span>finally\u4e00\u5b9a\u4f1a\u6267\u884c，\u5728catch()\u5757\u4e2d\u6709\u7740throw exception\u8fd9\u6837\u7684\u8bed\u53e5\u624d\u4f1a\u5411\u4e0a\u629b\u51fa\u95ee\u9898，\u4e2d\u6b62\u7a0b\u5e8f\u5f80\u4e0b\u6267\u884c<\/p>\n A \u865a\u65b9\u6cd5\u53ef\u4ee5\u88ab\u5b50\u7c7b\u7ee7\u627f\u5e76\u91cd\u5199\u65b9\u6cd5\u00a0 B \u62bd\u8c61\u65b9\u6cd5\u4e0d\u53ef\u4ee5\u5e26\u5b9e\u73b0\u00a0 C \u62bd\u8c61\u65b9\u6cd5\u975e\u62bd\u8c61\u5b50\u7c7b\u5fc5\u987b\u5b9e\u73b0\u00a0 D \u62bd\u8c61\u65b9\u6cd5\u53ef\u4ee5\u88ab\u5b50\u7c7b\u5b9e\u73b0\u6210\u865a\u65b9\u6cd5<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>D<\/p>\n \u89e3\u6790：<\/span><\/p>\n Java\u4e2d\u865a\u65b9\u6cd5\u7684\u7279\u6027：<\/p>\n Java\u4e2d\u62bd\u8c61\u65b9\u6cd5\u7684\u7279\u6027：<\/p>\n A java.io.Serializable\u00a0 B java.lang.Cloneable\u00a0 C java.lang.CharSequence\u00a0 D java.lang.Comparable<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>A<\/p>\n \u89e3\u6790：<\/span>\u5728Java\u4e2d\u8981\u5b9e\u73b0\u5bf9\u8c61\u7684\u5e8f\u5217\u5316\u529f\u80fd，\u7c7b\u5fc5\u987b\u5b9e\u73b0java.io.Serializable\u63a5\u53e3\u3002Serializable\u662f\u4e00\u4e2a\u6807\u8bb0\u63a5\u53e3(marker interface)，\u5b83\u6ca1\u6709\u4efb\u4f55\u65b9\u6cd5\u9700\u8981\u5b9e\u73b0，\u4ec5\u4ec5\u662f\u6807\u8bc6\u8fd9\u4e2a\u7c7b\u53ef\u4ee5\u88ab\u5e8f\u5217\u5316\u3002\u5f53\u4e00\u4e2a\u7c7b\u5b9e\u73b0\u4e86Serializable\u63a5\u53e3\u540e，\u8be5\u7c7b\u7684\u5bf9\u8c61\u5c31\u80fd\u591f\u88ab\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41，\u7528\u4e8e\u7f51\u7edc\u4f20\u8f93\u6216\u6301\u4e45\u5316\u5b58\u50a8\u3002 1\u3001\u5e8f\u5217\u5316\u662f\u5e72\u4ec0\u4e48\u7684？ \u4e3a\u4e86\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\u7684\u5404\u79cd\u5bf9\u8c61\u7684\u72b6\u6001，\u5e76\u4e14\u628aJava\u7ed9\u4f60\u63d0\u4f9b\u4e00\u79cd\u4fdd\u5b58\u7684\u5bf9\u8c61\u72b6\u6001\u518d\u8bfb\u51fa\u6765\u5c31\u662f\u5e8f\u5217\u5316\u3002 2\u3001\u4ec0\u4e48\u60c5\u51b5\u4e0b\u9700\u8981\u5e8f\u5217\u5316 a）\u628a\u5185\u5b58\u4e2d\u7684\u5bf9\u8c61\u4fdd\u5b58\u5230\u4e00\u4e2a\u6587\u4ef6\u4e2d\u6216\u8005\u6570\u636e\u5e93\u4e2d\u65f6\u5019； b）\u7528\u5957\u63a5\u5b57\u5728\u7f51\u7edc\u4e0a\u4f20\u9001\u5bf9\u8c61\u7684\u65f6\u5019； c）\u901a\u8fc7RMI\u4f20\u8f93\u5bf9\u8c61\u7684\u65f6\u5019<\/p>\n 1<\/p>\n 2<\/p>\n 3<\/p>\n 4<\/p>\n 5<\/p>\n 6<\/p>\n 7<\/p>\n 8<\/p>\n 9<\/p>\n 10<\/p>\n 11<\/p>\n 12<\/p>\n<\/td>\n public class Tester{<\/p>\n public static void main(String[] args){<\/p>\n \u00a0\u00a0\u00a0Integer var1=new Integer(1);<\/p>\n \u00a0\u00a0\u00a0Integer var2=var1;<\/p>\n \u00a0\u00a0\u00a0doSomething(var2);<\/p>\n \u00a0\u00a0\u00a0System.out.print(var1.intValue());<\/p>\n \u00a0\u00a0\u00a0System.out.print(var1==var2);<\/p>\n }<\/p>\n public static void doSomething(Integer integer){<\/p>\n \u00a0\u00a0\u00a0\u00a0integer=new Integer(2);<\/p>\n \u00a0\u00a0\u00a0\u00a0}<\/p>\n }<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n A 1true\u00a0 B 2true\u00a0 C 1false\u00a0 D 2false<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>A<\/p>\n \u89e3\u6790：<\/span><\/p>\n public class Tester { \/\/ \u8c03\u7528doSomething\u65b9\u6cd5，\u4f20\u5165var2\u7684\u5f15\u7528\u526f\u672c \/\/ \u8f93\u51favar1\u6307\u5411\u7684Integer\u5bf9\u8c61\u7684\u503c（\u4ecd\u7136\u662f1） \/\/ doSomething\u65b9\u6cd5：\u63a5\u6536\u4e00\u4e2aInteger\u5bf9\u8c61\u7684\u5f15\u7528\u4f5c\u4e3a\u53c2\u6570 dosomething<\/p>\n \u5b9e\u9645\u4f5c\u7528：\u5c1d\u8bd5\u4fee\u6539\u4f20\u5165\u7684\u00a0Integer\u00a0\u53c2\u6570，\u4f46\u7531\u4e8e Java \u662f\u503c\u4f20\u9012（\u4f20\u9012\u7684\u662f\u5f15\u7528\u7684\u526f\u672c），\u8fd9\u91cc\u7684\u4fee\u6539\u4e0d\u4f1a\u5f71\u54cd\u8c03\u7528\u65b9\u7684\u539f\u59cb\u53d8\u91cf<\/p>\n<\/li>\n \u5173\u952e\u70b9：\u8be5\u65b9\u6cd5\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u00a0Integer\u00a0\u5bf9\u8c61，\u4f46\u53ea\u4fee\u6539\u4e86\u65b9\u6cd5\u5185\u90e8\u7684\u5c40\u90e8\u5f15\u7528\u53d8\u91cf，\u5bf9\u5916\u90e8\u53d8\u91cf\u6ca1\u6709\u5f71\u54cd<\/p>\n<\/li>\n<\/ul>\n 1<\/p>\n 2<\/p>\n 3<\/p>\n 4<\/p>\n 5<\/p>\n 6<\/p>\n 7<\/p>\n 8<\/p>\n 9<\/p>\n 10<\/p>\n 11<\/p>\n 12<\/p>\n 13<\/p>\n 14<\/p>\n 15<\/p>\n 16<\/p>\n 17<\/p>\n 18<\/p>\n 19<\/p>\n 20<\/p>\n 21<\/p>\n 22<\/p>\n<\/td>\n class Animal{<\/p>\n \u00a0\u00a0\u00a0\u00a0public void move(){<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0System.out.println("\u52a8\u7269\u53ef\u4ee5\u79fb\u52a8");<\/p>\n \u00a0\u00a0\u00a0\u00a0}<\/p>\n }<\/p>\n class Dog\u00a0extends Animal{<\/p>\n \u00a0\u00a0\u00a0\u00a0public void move(){<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0System.out.println("\u72d7\u53ef\u4ee5\u8dd1\u548c\u8d70");<\/p>\n \u00a0\u00a0\u00a0\u00a0}<\/p>\n \u00a0\u00a0\u00a0\u00a0public void bark(){<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0System.out.println("\u72d7\u53ef\u4ee5\u5420\u53eb");<\/p>\n \u00a0\u00a0\u00a0\u00a0}<\/p>\n }<\/p>\n public class TestDog{<\/p>\n \u00a0\u00a0\u00a0\u00a0public static void main(String args[]){<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0Animal a =\u00a0new Animal();<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0Animal b =\u00a0new Dog();\u00a0<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0a.move();<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0b.move();<\/p>\n \u00a0\u00a0\u00a0 \u00a0 \u00a0\u00a0b.bark();<\/p>\n \u00a0\u00a0\u00a0\u00a0}<\/p>\n }<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n A \u52a8\u7269\u53ef\u4ee5\u79fb\u52a8 B \u52a8\u7269\u53ef\u4ee5\u79fb\u52a8 C \u8fd0\u884c\u9519\u8bef<\/p>\n D \u7f16\u8bd1\u9519\u8bef<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>D<\/p>\n \u89e3\u6790：<\/span><\/p>\n Animal a = new Animal();<\/p>\n \u521b\u5efa\u5bf9\u8c61：\u4e00\u4e2a\u771f\u6b63\u7684\u00a0Animal\u00a0\u7c7b\u5b9e\u4f8b\u3002<\/p>\n<\/li>\n \u8c03\u7528\u00a0a.move()：\u6267\u884c\u00a0Animal\u00a0\u7c7b\u81ea\u8eab\u7684\u00a0move\u00a0\u65b9\u6cd5\u3002<\/p>\n<\/li>\n \u00a0\u8f93\u51fa：\u52a8\u7269\u53ef\u4ee5\u79fb\u52a8<\/p>\n<\/li>\n<\/ul>\n<\/li>\n Animal b = new Dog();<\/p>\n \u521b\u5efa\u5bf9\u8c61：\u4e00\u4e2a\u00a0Dog\u00a0\u7c7b\u5b9e\u4f8b，\u4f46\u5c06\u5176\u5411\u4e0a\u8f6c\u578b\u4e3a\u00a0Animal\u00a0\u7c7b\u578b\u7684\u5f15\u7528\u00a0b\u00a0\u6765\u6307\u5411\u5b83\u3002<\/p>\n<\/li>\n \u5185\u5b58\u4e2d\u7684\u5b9e\u9645\u60c5\u51b5：\u5bf9\u8c61\u672c\u8d28\u662f\u00a0Dog，\u62e5\u6709\u00a0Dog\u00a0\u7684\u6240\u6709\u65b9\u6cd5（move,\u00a0bark）\u3002\u4f46\u7f16\u8bd1\u5668\u770b\u5f85\u5b83\u7684\u201c\u89c6\u89d2\u201d\u662f\u00a0Animal\u3002<\/p>\n<\/li>\n \u8c03\u7528\u00a0b.move()：<\/p>\n \u7f16\u8bd1\u9636\u6bb5：\u7f16\u8bd1\u5668\u68c0\u67e5\u00a0b\u00a0\u7684\u7c7b\u578b (Animal)，\u786e\u8ba4\u00a0Animal\u00a0\u6709\u00a0move\u00a0\u65b9\u6cd5，\u5141\u8bb8\u901a\u8fc7\u3002<\/p>\n<\/li>\n \u8fd0\u884c\u9636\u6bb5：JVM \u53d1\u73b0\u00a0b\u00a0\u5b9e\u9645\u6307\u5411\u7684\u662f\u00a0Dog\u00a0\u5bf9\u8c61，\u4e8e\u662f\u8c03\u7528\u00a0Dog\u00a0\u7c7b\u4e2d\u91cd\u5199\u7684\u00a0move\u00a0\u65b9\u6cd5\u3002\u8fd9\u662f\u591a\u6001\u7684\u4f53\u73b0\u3002<\/p>\n<\/li>\n \u00a0\u8f93\u51fa：\u72d7\u53ef\u4ee5\u8dd1\u548c\u8d70<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n \u5c1d\u8bd5\u8c03\u7528\u00a0b.bark()：<\/p>\n \u7f16\u8bd1\u9636\u6bb5：\u7f16\u8bd1\u5668\u68c0\u67e5\u00a0b\u00a0\u7684\u7c7b\u578b (Animal)，\u53d1\u73b0\u00a0Animal\u00a0\u7c7b\u4e2d\u6ca1\u6709\u5b9a\u4e49\u00a0bark\u00a0\u65b9\u6cd5\u3002<\/p>\n<\/li>\n \u7ed3\u679c：\u7f16\u8bd1\u5668\u7acb\u5373\u62a5\u9519，\u7a0b\u5e8f\u65e0\u6cd5\u8fdb\u5165\u8fd0\u884c\u9636\u6bb5\u3002\u9519\u8bef\u4fe1\u606f\u901a\u5e38\u7c7b\u4f3c\u4e8e：\u627e\u4e0d\u5230\u7b26\u53f7\u00a0\u6216\u00a0Animal \u7c7b\u4e2d\u6ca1\u6709 bark \u65b9\u6cd5\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n A java.awt： \u5305\u542b\u6784\u6210\u62bd\u8c61\u7a97\u53e3\u5de5\u5177\u96c6\u7684\u591a\u4e2a\u7c7b，\u7528\u6765\u6784\u5efa\u548c\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u56fe\u5f62\u7528\u6237\u754c\u9762<\/p>\n B java.io：\u3000 \u5305\u542b\u63d0\u4f9b\u591a\u79cd\u8f93\u51fa\u8f93\u5165\u529f\u80fd\u7684\u7c7b<\/p>\n C java.lang： \u5305\u542b\u6267\u884c\u4e0e\u7f51\u7edc\u6709\u5173\u7684\u7c7b，\u5982URL，SCOKET，SEVERSOCKET<\/p>\n D java.util：\u3000 \u5305\u542b\u4e00\u4e9b\u5b9e\u7528\u6027\u7684\u7c7b<\/p>\n \u6b63\u786e\u7b54\u6848：<\/span>B<\/p>\n \u89e3\u6790：<\/span>java.lang\u5305\u662fJava\u8bed\u8a00\u7684\u57fa\u7840\u5305,\u5305\u542b\u4e86\u6700\u57fa\u672c\u7684\u7c7b,\u5b83\u4e0d\u9700\u8981import\u5c31\u53ef\u4ee5\u4f7f\u7528,\u7f51\u7edc\u76f8\u5173\u7684\u7c7b\u5b9e\u9645\u4e0a\u662f\u5728java.net\u5305\u4e2d\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":" \u4e0b\u9762\u5173\u4e8e Java \u4e2d List \u96c6\u5408\u7684\u8bf4\u6cd5\u6b63\u786e\u7684\u662f（）A LinkedLIst\u5185\u90e8\u91c7\u7528\u5355\u5411\u94fe\u8868\u5b9e\u73b0，\u6240\u4ee5\u53ea\u80fd\u4ece\u524d\u5411\u540e\u904d\u5386，\u4e0d\u80fd\u53cd\u5411\u904d\u5386B LinkedList\u968f\u673a\u67e5\u8be2\u5feb，\u968f\u673a\u63d2\u5165\u6162C ArrayList\u968f\u673a\u67e5\u8be2\u5feb，\u968f\u673a\u63d2\u5165\u6162D ArrayList\u548cLinkedList\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u7c7b\u6b63\u786e\u7b54\u6848：C\u89e3\u6790：LinkedList \u91c7\u7528\u53cc\u5411\u94fe\u8868\u5b9e\u73b0，\u53ef\u4ee5\u53cd\u5411\u904d\u5386<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[386,99,371,190],"topic":[],"class_list":["post-64674","post","type-post","status-publish","format-standard","hentry","category-server","tag-intellij-idea","tag-java","tag-371","tag-190"],"yoast_head":"\n\u5b50\u7c7b\u8981\u8c03\u7528\u7ee7\u627f\u81ea\u7236\u7c7b\u7684\u65b9\u6cd5，\u5fc5\u987b\u4f7f\u7528super\u5173\u952e\u5b57()<\/h4>\n
\n\u53ea\u6709\u5728\u4ee5\u4e0b\u7279\u6b8a\u60c5\u51b5\u4e0b\u624d\u9700\u8981\u4f7f\u7528super\u5173\u952e\u5b57:
\n1. \u5b50\u7c7b\u91cd\u5199\u4e86\u7236\u7c7b\u65b9\u6cd5,\u4f46\u5728\u91cd\u5199\u65b9\u6cd5\u4e2d\u9700\u8981\u8c03\u7528\u7236\u7c7b\u7684\u539f\u59cb\u5b9e\u73b0\u65f6
\n2. \u5728\u5b50\u7c7b\u6784\u9020\u65b9\u6cd5\u4e2d\u8c03\u7528\u7236\u7c7b\u7684\u6784\u9020\u65b9\u6cd5\u65f6
\n3. \u5f53\u5b50\u7c7b\u548c\u7236\u7c7b\u5b58\u5728\u540c\u540d\u7684\u6210\u5458\u65f6,\u60f3\u8981\u660e\u786e\u8c03\u7528\u7236\u7c7b\u6210\u5458\u65f6<\/p>\n\u5173\u4e8eLinkedBlockingDeque\u548cLinkedBlockingQueue\u7684\u8bf4\u6cd5\u9519\u8bef\u7684\u662f\u54ea\u4e2a\u9009\u9879？<\/h4>\n
\n
\n
\n
\u5bf9\u4e8e\u4e00\u4e2a\u5df2\u7ecf\u4e0d\u88ab\u4efb\u4f55\u53d8\u91cf\u5f15\u7528\u7684\u5bf9\u8c61，\u5f53\u5783\u573e\u56de\u6536\u5668\u51c6\u5907\u56de\u6536\u8be5\u5bf9\u8c61\u6240\u5360\u7528\u7684\u5185\u5b58\u65f6，\u5c06\u81ea\u52a8\u8c03\u7528\u8be5\u5bf9\u8c61\u7684\u54ea\u4e2a\u65b9\u6cd5（）<\/h4>\n
\u5728\u00a0JAVA\u00a0\u7f16\u7a0b\u4e2d，\u00a0Java\u00a0\u7f16\u8bd1\u5668\u4f1a\u5c06\u00a0Java\u00a0\u7a0b\u5e8f\u8f6c\u6362\u4e3a（\u00a0）<\/h4>\n
\n\n
\n \n \n \u53ef\u4ee5\u5f97\u5230\u7684\u7ed3\u8bba\u662f（ ）<\/h4>\n
\u5173\u4e8eJava\u91cc\u7684\u865a\u65b9\u6cd5\u3001\u62bd\u8c61\u65b9\u6cd5\u63cf\u8ff0\u4e0d\u6b63\u786e\u7684\u662f？<\/h4>\n
\n
\n
\u8981\u4f7f\u5bf9\u8c61\u5177\u6709\u5e8f\u5217\u5316\u80fd\u529b，\u5219\u5176\u7c7b\u5e94\u8be5\u5b9e\u73b0\u5982\u4e0b\u54ea\u4e2a\u63a5\u53e3()\u3002<\/h4>\n
\n\u5206\u6790\u5176\u4ed6\u9009\u9879：
\nB\u9009\u9879 Cloneable：\u8fd9\u662f\u7528\u4e8e\u5bf9\u8c61\u514b\u9686\u7684\u6807\u8bb0\u63a5\u53e3，\u4e0e\u5e8f\u5217\u5316\u65e0\u5173\u3002\u5b9e\u73b0\u6b64\u63a5\u53e3\u7684\u7c7b\u53ef\u4ee5\u4f7f\u7528Object.clone()\u65b9\u6cd5\u521b\u5efa\u5bf9\u8c61\u526f\u672c\u3002
\nC\u9009\u9879 CharSequence：\u8fd9\u662f\u4e00\u4e2a\u5b57\u7b26\u5e8f\u5217\u7684\u63a5\u53e3，\u4e3b\u8981\u7528\u4e8e\u5b57\u7b26\u4e32\u76f8\u5173\u64cd\u4f5c，\u5982String\u3001StringBuilder\u7b49\u7c7b\u90fd\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u63a5\u53e3，\u4e0e\u5bf9\u8c61\u5e8f\u5217\u5316\u65e0\u5173\u3002
\nD\u9009\u9879 Comparable：\u8fd9\u4e2a\u63a5\u53e3\u7528\u4e8e\u5b9e\u73b0\u5bf9\u8c61\u7684\u6bd4\u8f83\u529f\u80fd，\u901a\u8fc7\u5b9e\u73b0compareTo\u65b9\u6cd5\u6765\u5b9a\u4e49\u5bf9\u8c61\u4e4b\u95f4\u7684\u81ea\u7136\u987a\u5e8f，\u4e0e\u5e8f\u5217\u5316\u529f\u80fd\u65e0\u5173\u3002<\/p>\n\u4ee5\u4e0bJava\u7a0b\u5e8f\u8fd0\u884c\u7684\u7ed3\u679c\u662f:<\/h4>\n
\n\n
\n \n \n
\n public static void main(String[] args) {
\n \/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7684Integer\u5bf9\u8c61，\u503c\u4e3a1，var1\u5f15\u7528\u6307\u5411\u8fd9\u4e2a\u5bf9\u8c61
\n Integer var1 = new Integer(1);
\n \/\/ var2\u5f15\u7528\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61（var1\u548cvar2\u90fd\u6307\u5411\u5806\u4e2d\u540c\u4e00\u4e2aInteger\u5b9e\u4f8b）
\n Integer var2 = var1;<\/p>\n
\n doSomething(var2);<\/p>\n
\n System.out.print(var1.intValue());
\n \/\/ \u6bd4\u8f83var1\u548cvar2\u662f\u5426\u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61（\u8f93\u51fatrue）
\n System.out.print(var1 == var2);
\n }<\/p>\n
\n public static void doSomething(Integer integer) {
\n \/\/ \u8fd9\u91cc\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684Integer\u5bf9\u8c61(\u503c\u4e3a2)
\n \/\/ \u5e76\u5c06\u5c40\u90e8\u53c2\u6570\u53d8\u91cfinteger\u6307\u5411\u8fd9\u4e2a\u65b0\u5bf9\u8c61
\n \/\/ \u6ce8\u610f：\u8fd9\u4e0d\u4f1a\u5f71\u54cdmain\u65b9\u6cd5\u4e2d\u7684var2\u5f15\u7528
\n integer = new Integer(2);
\n }
\n}<\/p>\n\n
\u4e0b\u5217\u4ee3\u7801\u8f93\u51fa\u7ed3\u679c\u4e3a（）<\/h4>\n
\n\n
\n \n \n
\n\u72d7\u53ef\u4ee5\u8dd1\u548c\u8d70
\n\u72d7\u53ef\u4ee5\u5420\u53eb<\/p>\n
\n\u52a8\u7269\u53ef\u4ee5\u79fb\u52a8
\n\u72d7\u53ef\u4ee5\u5420\u53eb<\/p>\n\n
\n
\n
\n
\u4e0b\u9762\u6709\u5173JDK\u4e2d\u7684\u5305\u548c\u4ed6\u4eec\u7684\u57fa\u672c\u529f\u80fd，\u63cf\u8ff0\u9519\u8bef\u7684\u662f？<\/h4>\n