Java \u96c6\u5408<\/h1>\n<\/p><\/div>\n

\n Java\u4e2d\u7684Collection\u662f\u4e00\u4e2a\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u7528\u4e8e\u5b58\u50a8\u548c\u64cd\u4f5c\u5bf9\u8c61\u7ec4\u7684\u4f53\u7cfb\u7ed3\u6784\u3002
\n
Java Collections\u53ef\u4ee5\u5b8c\u6210\u60a8\u5bf9\u6570\u636e\u6267\u884c\u7684\u6240\u6709\u64cd\u4f5c\uff0c\u4f8b\u5982\u641c\u7d22\uff0c\u6392\u5e8f\uff0c\u63d2\u5165\uff0c\u64cd\u4f5c\u548c\u5220\u9664\u3002
\n
Java Collection\u8868\u793a\u5355\u4e2a\u5bf9\u8c61\u5355\u5143\u3002Java Collection\u6846\u67b6\u63d0\u4f9b\u4e86\u8bb8\u591a\u63a5\u53e3\uff08Set\uff0cList\uff0cQueue\uff0cDeque\uff09\u548c\u7c7b\uff08ArrayList\uff0cVector\uff0cLinkedList\uff0cPriorityQueue\uff0cHashSet\uff0cLinkedHashSet\uff0cTreeSet\uff09\u3002\n <\/div>\n

Java\u4e2d\u7684\u96c6\u5408\u662f\u4ec0\u4e48<\/h2>\n

\n \u96c6\u5408\u8868\u793a\u5bf9\u8c61\u7684\u5355\u4e2a\u5355\u5143\uff0c\u5373\u4e00\u4e2a\u7ec4\u3002\n <\/div>\n

Java\u4e2d\u7684\u6846\u67b6\u662f\u4ec0\u4e48<\/h2>\n
\u5b83\u63d0\u4f9b\u4e86\u73b0\u6210\u7684\u67b6\u6784\u3002<\/span>
\n \u5b83\u4ee3\u8868\u4e00\u7ec4\u7c7b\u548c\u63a5\u53e3\u3002<\/span>
\n \u5b83\u662f\u53ef\u9009\u7684\u3002<\/span> <\/p>\n

\u4ec0\u4e48\u662fCollection\u6846\u67b6<\/h2>\n

\n Collection\u6846\u67b6\u8868\u793a\u7528\u4e8e\u5b58\u50a8\u548c\u5904\u7406\u4e00\u7ec4\u5bf9\u8c61\u7684\u7edf\u4e00\u4f53\u7cfb\u7ed3\u6784\u3002\u5b83\u5177\u6709\uff1a\n <\/div>\n

\u63a5\u53e3\u53ca\u5176\u5b9e\u73b0\uff0c\u5373\u7c7b<\/span>
\n \u7b97\u6cd5<\/span> <\/p>\n

\u96c6\u5408\u6846\u67b6\u5c42\u6b21\u7ed3\u6784<\/h2>\n

\n \u8ba9\u6211\u4eec\u770b\u770bCollection\u6846\u67b6\u7684\u5c42\u6b21\u7ed3\u6784\u3002\u5728java.util\u4e2d\u5305\u5305\u542b\u4e86\u6240\u6709\u7684\u7c7b\u548c\u63a5\u53e3\u7684\u96c6\u5408\u6846\u67b6\u3002\n <\/div>\n

$Java \u96c6\u5408_https:\/\/bianchenghao6.com_\u3010Java \u57fa\u7840\u6559\u7a0b\u3011_\u7b2c1\u5f20$ <\/p>\n

\u96c6\u5408\u65b9\u6cd5<\/h2>\n

\n \u5728Collection\u63a5\u53e3\u4e2d\u58f0\u660e\u4e86\u8bb8\u591a\u65b9\u6cd5\u3002\u5b83\u4eec\u5982\u4e0b\uff1a\n <\/div>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Method<\/td>\n Description<\/td>\n<\/tr>\n

public boolean add(E e)<\/td>\n \u7528\u4e8e\u5728\u6b64\u96c6\u5408\u4e2d\u63d2\u5165\u5143\u7d20\u3002<\/td>\n<\/tr>\n

public boolean addAll(Collection<? extends E> c)<\/td>\n \u5b83\u7528\u4e8e\u5728\u8c03\u7528\u96c6\u5408\u4e2d\u63d2\u5165\u6307\u5b9a\u7684\u96c6\u5408\u5143\u7d20\u3002<\/td>\n<\/tr>\n

public boolean remove(Object element)<\/td>\n \u5b83\u7528\u4e8e\u4ece\u96c6\u5408\u4e2d\u5220\u9664\u5143\u7d20\u3002<\/td>\n<\/tr>\n

public boolean removeAll(Collection<?> c)<\/td>\n \u5b83\u7528\u4e8e\u4ece\u8c03\u7528\u96c6\u5408\u4e2d\u5220\u9664\u6307\u5b9a\u96c6\u5408\u7684\u200b\u200b\u6240\u6709\u5143\u7d20\u3002<\/td>\n<\/tr>\n

default boolean removeIf(Predicate<? super E> filter)<\/td>\n \u5b83\u7528\u4e8e\u5220\u9664\u96c6\u5408\u4e2d\u6240\u6709\u6ee1\u8db3\u6307\u5b9a\u8c13\u8bcd\u7684\u5143\u7d20\u3002<\/td>\n<\/tr>\n

public boolean retainAll(Collection<?> c)<\/td>\n \u5b83\u7528\u4e8e\u5220\u9664\u8c03\u7528\u96c6\u5408\u4e2d\u9664\u6307\u5b9a\u96c6\u5408\u4e4b\u5916\u7684\u6240\u6709\u5143\u7d20\u3002<\/td>\n<\/tr>\n

public int size()<\/td>\n \u5b83\u8fd4\u56de\u96c6\u5408\u4e2d\u5143\u7d20\u7684\u603b\u6570\u3002<\/td>\n<\/tr>\n

public void clear()<\/td>\n \u5b83\u4ece\u96c6\u5408\u4e2d\u5220\u9664\u5143\u7d20\u603b\u6570\u3002<\/td>\n<\/tr>\n

public boolean contains(Object element)<\/td>\n \u7528\u4e8e\u641c\u7d22\u5143\u7d20\u3002<\/td>\n<\/tr>\n

public boolean containsAll(Collection<?> c)<\/td>\n \u7528\u4e8e\u641c\u7d22\u96c6\u5408\u4e2d\u7684\u6307\u5b9a\u96c6\u5408\u3002<\/td>\n<\/tr>\n

public Iterator iterator()<\/td>\n \u5b83\u8fd4\u56de\u4e00\u4e2a\u8fed\u4ee3\u5668\u3002<\/td>\n<\/tr>\n

public Object[] toArray()<\/td>\n \u5b83\u5c06\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002<\/td>\n<\/tr>\n

public <T> T[] toArray(T[] a)<\/td>\n \u5b83\u5c06\u96c6\u5408\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002\u5728\u8fd9\u91cc\uff0c\u8fd4\u56de\u6570\u7ec4\u7684\u8fd0\u884c\u65f6\u7c7b\u578b\u662f\u6307\u5b9a\u6570\u7ec4\u7684\u8fd0\u884c\u65f6\u7c7b\u578b\u3002<\/td>\n<\/tr>\n

public boolean isEmpty()<\/td>\n \u5b83\u68c0\u67e5\u96c6\u5408\u662f\u5426\u4e3a\u7a7a\u3002<\/td>\n<\/tr>\n

default Stream<E> parallelStream()<\/td>\n \u5b83\u8fd4\u56de\u4e00\u4e2a\u53ef\u80fd\u5e76\u884c\u7684Stream\uff0c\u5e76\u5c06\u5176\u96c6\u5408\u4f5c\u4e3a\u6e90\u3002<\/td>\n<\/tr>\n

default Stream<E> stream()<\/td>\n \u5b83\u8fd4\u56de\u4e00\u4e2a\u4ee5\u96c6\u5408\u4e3a\u6e90\u7684\u987a\u5e8fStream\u3002<\/td>\n<\/tr>\n

default Spliterator<E> spliterator()<\/td>\n \u5b83\u5728\u96c6\u5408\u4e2d\u7684\u6307\u5b9a\u5143\u7d20\u4e0a\u751f\u6210\u62c6\u5206\u5668\u3002<\/td>\n<\/tr>\n

public boolean equals(Object element)<\/td>\n \u5b83\u5339\u914d\u4e24\u4e2a\u96c6\u5408\u3002<\/td>\n<\/tr>\n

public int hashCode()<\/td>\n

\u5b83\u8fd4\u56de\u96c6\u5408\u7684\u54c8\u5e0c\u7801\u7f16\u53f7\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8fed\u4ee3\u5668\u63a5\u53e3<\/h2>\n

\n \u8fed\u4ee3\u5668\u63a5\u53e3\u4ec5\u63d0\u4f9b\u4e86\u5411\u524d\u8fed\u4ee3\u5143\u7d20\u7684\u529f\u80fd\u3002\n <\/div>\n

\u8fed\u4ee3\u5668\u63a5\u53e3\u7684\u65b9\u6cd5<\/h2>\n

\n Iterator\u63a5\u53e3\u4e2d\u53ea\u6709\u4e09\u79cd\u65b9\u6cd5\u3002\u4ed6\u4eec\u662f\uff1a\n <\/div>\n\n\n\n\n\n\n

Method<\/td>\n	Description<\/td>\n<\/tr>\n
public boolean hasNext()<\/td>\n	\u5982\u679c\u8fed\u4ee3\u5668\u5177\u6709\u66f4\u591a\u5143\u7d20\uff0c\u5219\u8fd4\u56detrue\uff0c\u5426\u5219\u8fd4\u56defalse\u3002<\/td>\n<\/tr>\n
public Object next()<\/td>\n	\u5b83\u8fd4\u56de\u5143\u7d20\u5e76\u5c06\u5149\u6807\u6307\u9488\u79fb\u52a8\u5230\u4e0b\u4e00\u4e2a\u5143\u7d20\u3002<\/td>\n<\/tr>\n
public void remove()<\/td>\n	\u5b83\u5c06\u5220\u9664\u8fed\u4ee3\u5668\u8fd4\u56de\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002\u5b83\u4f7f\u7528\u8f83\u5c11\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u53ef\u8fed\u4ee3\u63a5\u53e3<\/h2>\n \n \u53ef\u8fed\u4ee3\u63a5\u53e3\u662f\u6240\u6709\u96c6\u5408\u7c7b\u7684\u6839\u63a5\u53e3\u3002 Collection\u63a5\u53e3\u6269\u5c55\u4e86Iterable\u63a5\u53e3\uff0c\u56e0\u6b64Collection\u63a5\u53e3\u7684\u6240\u6709\u5b50\u7c7b\u4e5f\u90fd\u5b9e\u73b0\u4e86Iterable\u63a5\u53e3\u3002\n <\/div>\n \n \u5b83\u4ec5\u5305\u542b\u4e00\u4e2a\u62bd\u8c61\u65b9\u6cd5\u3002\u5373\n <\/div>\n \n Iterator<T> iterator() <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u5b83\u8fd4\u56de\u7c7b\u578bT\u7684\u5143\u7d20\u4e0a\u7684\u8fed\u4ee3\u5668\u3002\n <\/div>\n \n Collection\u63a5\u53e3<\/h2>\n\n Collection\u63a5\u53e3\u662f\u7531\u6536\u96c6\u6846\u67b6\u4e2d\u7684\u6240\u6709\u7c7b\u5b9e\u73b0\u7684\u63a5\u53e3\u3002\u5b83\u58f0\u660e\u6bcf\u4e2a\u96c6\u5408\u5c06\u5177\u6709\u7684\u65b9\u6cd5\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u8bf4Collection\u63a5\u53e3\u5efa\u7acb\u4e86Collection\u6846\u67b6\u6240\u4f9d\u8d56\u7684\u57fa\u7840\u3002\n <\/div>\n\n Collection\u63a5\u53e3\u7684\u4e00\u4e9b\u65b9\u6cd5\u5305\u62ecBoolean add(Object obj)\uff0cBoolean addAll(Collection c)\uff0c void clear()\u7b49\uff0c\u7531Collection\u63a5\u53e3\u7684\u6240\u6709\u5b50\u7c7b\u5b9e\u73b0\u3002\n <\/div>\n \nList\u63a5\u53e3<\/h2>\n\n \u5217\u8868\u63a5\u53e3\u662fCollection\u63a5\u53e3\u7684\u5b50\u63a5\u53e3\u3002\u5b83\u7981\u6b62\u4f7f\u7528\u5217\u8868\u7c7b\u578b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5176\u4e2d\u5b58\u50a8\u5bf9\u8c61\u7684\u6709\u5e8f\u96c6\u5408\u3002\u5b83\u53ef\u4ee5\u6709\u91cd\u590d\u7684\u503c\u3002\n <\/div>\n\n List\u63a5\u53e3\u7531ArrayList\uff0cLinkedList\uff0cVector\u548cStack\u7c7b\u5b9e\u73b0\u3002\n <\/div>\n\n \u8981\u5b9e\u4f8b\u5316List\u63a5\u53e3\uff0c\u6211\u4eec\u5fc5\u987b\u4f7f\u7528:\n <\/div>\n\n List<data-type> list1= new <\/span>ArrayList(); List<data-type> list2 = new <\/span>LinkedList(); List<data-type> list3 = new <\/span>Vector(); List<data-type> list4 = new <\/span>Stack(); <\/span><\/code><\/pre>\n<\/p><\/div>\n\n List\u63a5\u53e3\u4e2d\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u7528\u4e8e\u63d2\u5165\uff0c\u5220\u9664\u548c\u8bbf\u95ee\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002\n <\/div>\n\n \u4e0b\u9762\u7ed9\u51fa\u4e86\u5b9e\u73b0List\u63a5\u53e3\u7684\u7c7b\u3002\n <\/div>\n \n ArrayList <\/h2>\n\n ArrayList\u7c7b\u5b9e\u73b0List\u63a5\u53e3\u3002\u5b83\u4f7f\u7528\u52a8\u6001\u6570\u7ec4\u6765\u5b58\u50a8\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u91cd\u590d\u5143\u7d20\u3002 ArrayList\u7c7b\u4fdd\u6301\u63d2\u5165\u987a\u5e8f\uff0c\u5e76\u4e14\u662f\u4e0d\u540c\u6b65\u7684\u3002\u53ef\u4ee5\u968f\u673a\u8bbf\u95eeArrayList\u7c7b\u4e2d\u5b58\u50a8\u7684\u5143\u7d20\u3002\u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; class <\/span>TestJavaCollection1{ public <\/span>static void <\/span>main(String args[]){ ArrayList<String> list=new ArrayList<String>(); arraylistlist.add<\/span>(\"Ravi\"<\/span><\/span>); arraylistlist.add<\/span>(\"Vijay\"<\/span>); list.add<\/span>(\"Ravi\"); list.add<\/span>(\"Ajay\"<\/span>); Iterator itr=list.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Ravi Vijay Ravi Ajay <\/span><\/code><\/pre>\n<\/p><\/div>\n LinkedList <\/h2>\n\n LinkedList\u5b9e\u73b0\u4e86Collection\u63a5\u53e3\u3002\u5b83\u5728\u5185\u90e8\u4f7f\u7528\u53cc\u5411\u94fe\u8868\u6765\u5b58\u50a8\u5143\u7d20\u3002\u5b83\u53ef\u4ee5\u5b58\u50a8\u91cd\u590d\u7684\u5143\u7d20\u3002\u5b83\u4fdd\u6301\u63d2\u5165\u987a\u5e8f\uff0c\u5e76\u4e14\u4e0d\u540c\u6b65\u3002\u5728LinkedList\u4e2d\uff0c\u7531\u4e8e\u4e0d\u9700\u8981\u8fdb\u884c\u79fb\u4f4d\uff0c\u56e0\u6b64\u64cd\u4f5c\u5f88\u5feb\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; public <\/span>class <\/span>TestJavaCollection2{ public <\/span>static void <\/span>main(String args[]){ LinkedList<String> al=new LinkedList<String>(); al.add<\/span>(\"Ravi\"<\/span><\/span>); al.add<\/span>(\"Vijay\"<\/span>); al.add<\/span>(\"Ravi\"); al.add<\/span>(\"Ajay\"<\/span>); Iterator<String> itr=al.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Ravi Vijay Ravi Ajay <\/span><\/code><\/pre>\n<\/p><\/div>\n Vector <\/h2>\n\n Vector\u4f7f\u7528\u52a8\u6001\u6570\u7ec4\u6765\u5b58\u50a8\u6570\u636e\u5143\u7d20\u3002\u5b83\u7c7b\u4f3c\u4e8eArrayList\u3002\u4f46\u662f\uff0c\u5b83\u662f\u540c\u6b65\u7684\uff0c\u5e76\u4e14\u5305\u542b\u8bb8\u591a\u4e0d\u5c5e\u4e8eCollection\u6846\u67b6\u7684\u65b9\u6cd5\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; public <\/span>class <\/span>TestJavaCollection3{ public <\/span>static void <\/span>main(String args[]){ Vector<String> v=new Vector<String>(); v.add<\/span>(\"Ayush\"<\/span>); v.add<\/span>(\"Amit\"<\/span>); v.add<\/span>(\"Ashish\"<\/span>); v.add<\/span>(\"Garima\"<\/span>); Iterator<String> itr=v.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Ayush Amit Ashish Garima <\/span><\/code><\/pre>\n<\/p><\/div>\n\u5806\u6808<\/h2>\n\n \u5806\u6808\u662fVector\u7684\u5b50\u7c7b\u3002\u5b83\u5b9e\u73b0\u4e86\u540e\u8fdb\u5148\u51fa\u6570\u636e\u7ed3\u6784\uff0c\u5373\u5806\u6808\u3002\u5806\u6808\u5305\u542bVector\u7c7b\u7684\u6240\u6709\u65b9\u6cd5\uff0c\u8fd8\u63d0\u4f9b\u5b9a\u4e49\u5176\u5c5e\u6027\u7684\u65b9\u6cd5\uff0c\u5982boolean push()\uff0cboolean peek()\uff0cboolean push(object o)\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; public <\/span>class <\/span>TestJavaCollection4{ public <\/span>static void <\/span>main(String args[]){ Stack<String> stack = new <\/span>Stack<String>(); stack.push<\/span>(\"Ayush\"<\/span>); stack.push<\/span>(\"Garvit\"<\/span>); stack.push<\/span>(\"Amit\"<\/span>); stack.push<\/span>(\"Ashish\"<\/span>); stack.push<\/span>(\"Garima\"<\/span>); stack.pop<\/span>(); Iterator<String> itr=stack.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Ayush Garvit Amit Ashish <\/span><\/code><\/pre>\n<\/p><\/div>\n\u961f\u5217\u63a5\u53e3<\/h2>\n\n \u961f\u5217\u63a5\u53e3\u4fdd\u6301\u5148\u8fdb\u5148\u51fa\u7684\u987a\u5e8f\u3002\u53ef\u4ee5\u5c06\u5176\u5b9a\u4e49\u4e3a\u7528\u4e8e\u4fdd\u5b58\u5c06\u8981\u5904\u7406\u7684\u5143\u7d20\u7684\u6709\u5e8f\u5217\u8868\u3002\u6709\u5f88\u591a\u7c7b\u53ef\u4ee5\u5b9e\u73b0Queue\u63a5\u53e3\uff0c\u4f8b\u5982PriorityQueue\uff0cDeque\u548cArrayDeque\u3002\n <\/div>\n\n Queue\u63a5\u53e3\u53ef\u4ee5\u5b9e\u4f8b\u5316\u4e3a:\n <\/div>\n\n Queue<String> q1 = new <\/span>PriorityQueue(); Queue<String> q2 = new <\/span>ArrayDeque(); <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u6709\u591a\u79cd\u5b9e\u73b0Queue\u63a5\u53e3\u7684\u7c7b\uff0c\u5176\u4e2d\u4e00\u4e9b\u5728\u4e0b\u9762\u7ed9\u51fa\u3002\n <\/div>\n \n PriorityQueue <\/h2>\n\n PriorityQueue\u7c7b\u5b9e\u73b0Queue\u63a5\u53e3\u3002\u5b83\u5305\u542b\u8981\u6309\u5176\u4f18\u5148\u7ea7\u5904\u7406\u7684\u5143\u7d20\u6216\u5bf9\u8c61\u3002 PriorityQueue\u4e0d\u5141\u8bb8\u5c06\u7a7a\u503c\u5b58\u50a8\u5728\u961f\u5217\u4e2d\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; public <\/span>class <\/span>TestJavaCollection5{ public <\/span>static void <\/span>main(String args[]){ PriorityQueue<String> queue=new PriorityQueue<String>(); queue.add<\/span>(\"Amit Sharma\"<\/span>); queue.add<\/span>(\"Vijay Raj\"<\/span>); queue.add<\/span>(\"JaiShankar\"<\/span>); queue.add<\/span>(\"Raj\"<\/span>); System.out.println<\/span>(\"head:\"<\/span><\/span>+queue.element<\/span>()); System.out.println<\/span>(\"head:\"+queue.peek<\/span>()); System.out.println<\/span>(\"iterating the queue elements:\"<\/span>); Iterator itr=queue.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } queue.remove<\/span>(); queue.poll<\/span>(); System.out.println<\/span>(\"after removing two elements:\"<\/span>); Iterator<String> itr2=queue.iterator<\/span>(); while(itr2.hasNext<\/span>()){ System.out.println<\/span>(itr2.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n head:Amit Sharma head:Amit Sharma iterating the queue elements: Amit Sharma Raj JaiShankar Vijay Raj after removing two elements: Raj Vijay Raj <\/span><\/code><\/pre>\n<\/p><\/div>\n Deque\u63a5\u53e3<\/h2>\n\n Deque\u63a5\u53e3\u6269\u5c55\u4e86Queue\u63a5\u53e3\u3002\u5728Deque\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4e24\u4fa7\u79fb\u9664\u548c\u6dfb\u52a0\u5143\u7d20\u3002 Deque\u4ee3\u8868\u53cc\u7aef\u961f\u5217\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u5728\u4e24\u7aef\u6267\u884c\u64cd\u4f5c\u3002\n <\/div>\n\n Deque\u53ef\u4ee5\u5b9e\u4f8b\u5316\u4e3a:\n <\/div>\n\n Deque d = new <\/span>ArrayDeque(); <\/span><\/code><\/pre>\n<\/p><\/div>\n ArrayDeque <\/h2>\n\n ArrayDeque\u7c7b\u5b9e\u73b0\u4e86Deque\u63a5\u53e3\u3002\u5b83\u6709\u52a9\u4e8e\u6211\u4eec\u4f7f\u7528\u53cc\u7aef\u961f\u5217\u3002\u4e0e\u961f\u5217\u4e0d\u540c\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4e24\u7aef\u6dfb\u52a0\u6216\u5220\u9664\u5143\u7d20\u3002\n <\/div>\n\n ArrayDeque\u6bd4ArrayList\u548cStack\u66f4\u5feb\uff0c\u5e76\u4e14\u6ca1\u6709\u5bb9\u91cf\u9650\u5236\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; public <\/span>class <\/span>TestJavaCollection6{ public <\/span>static void <\/span>main(String[] args) { Deque<String> deque = new <\/span>ArrayDeque<String>(); deque.add<\/span>(\"Gautam\"<\/span>); deque.add<\/span>(\"Karan\"<\/span>); deque.add<\/span>(\"Ajay\"<\/span>); for <\/span>(String str : deque) { System.out.println<\/span>(str); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Gautam Karan Ajay <\/span><\/code><\/pre>\n<\/p><\/div>\n\u8bbe\u7f6e\u63a5\u53e3<\/h2>\n\n Java\u4e2d\u7684\u8bbe\u7f6e\u63a5\u53e3\u4f4d\u4e8ejava.util\u8f6f\u4ef6\u5305\u4e2d\u3002\u5b83\u6269\u5c55\u4e86Collection\u63a5\u53e3\u3002\u5b83\u4ee3\u8868\u65e0\u5e8f\u7684\u5143\u7d20\u96c6\uff0c\u4e0d\u5141\u8bb8\u6211\u4eec\u5b58\u50a8\u91cd\u590d\u7684\u9879\u76ee\u3002\u6211\u4eec\u6700\u591a\u53ef\u4ee5\u5728Set\u4e2d\u5b58\u50a8\u4e00\u4e2a\u7a7a\u503c\u3002 Set\u7531HashSet\uff0cLinkedHashSet\u548cTreeSet\u5b9e\u73b0\u3002\n <\/div>\n\n Set\u53ef\u4ee5\u5b9e\u4f8b\u5316\u4e3a:\n <\/div>\n\n Set<data-type> s1 = new <\/span>HashSet<data-type>(); Set<data-type> s2 = new <\/span>LinkedHashSet<data-type>(); Set<data-type> s3 = new <\/span>TreeSet<data-type>(); <\/span><\/code><\/pre>\n<\/p><\/div>\n HashSet <\/h2>\n\n HashSet\u7c7b\u5b9e\u73b0Set\u63a5\u53e3\u3002\u5b83\u8868\u793a\u4f7f\u7528\u54c8\u5e0c\u8868\u8fdb\u884c\u5b58\u50a8\u7684\u96c6\u5408\u3002\u6563\u5217\u7528\u4e8e\u5c06\u5143\u7d20\u5b58\u50a8\u5728HashSet\u4e2d\u3002\u5b83\u5305\u542b\u552f\u4e00\u9879\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; public <\/span>class <\/span>TestJavaCollection7{ public <\/span>static void <\/span>main(String args[]){ HashSet<String> set=new HashSet<String>(); set.add<\/span>(\"Ravi\"<\/span><\/span>); set.add<\/span>(\"Vijay\"<\/span>); set.add<\/span>(\"Ravi\"); set.add<\/span>(\"Ajay\"<\/span>); Iterator<String> itr=set.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Vijay Ravi Ajay <\/span><\/code><\/pre>\n<\/p><\/div>\n LinkedHashSet <\/h2>\n\n LinkedHashSet\u7c7b\u8868\u793aSet\u63a5\u53e3\u7684LinkedList\u5b9e\u73b0\u3002\u5b83\u6269\u5c55\u4e86HashSet\u7c7b\u5e76\u5b9e\u73b0Set\u63a5\u53e3\u3002\u50cfHashSet\u4e00\u6837\uff0c\u5b83\u4e5f\u5305\u542b\u552f\u4e00\u5143\u7d20\u3002\u5b83\u4fdd\u6301\u63d2\u5165\u987a\u5e8f\u5e76\u5141\u8bb8\u7a7a\u5143\u7d20\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b\u3002\n <\/div>\n\n import java.util.; public <\/span>class <\/span>TestJavaCollection8{ public <\/span>static void <\/span>main(String args[]){ LinkedHashSet<String> set=new LinkedHashSet<String>(); set.add<\/span>(\"Ravi\"<\/span><\/span>); set.add<\/span>(\"Vijay\"<\/span>); set.add<\/span>(\"Ravi\"); set.add<\/span>(\"Ajay\"<\/span>); Iterator<String>itr=set.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Ravi Vijay Ajay <\/span><\/code><\/pre>\n<\/p><\/div>\n SortedSet\u63a5\u53e3<\/h2>\n\n SortedSet\u662fSet\u63a5\u53e3\u7684\u66ff\u4ee3\uff0c\u5b83\u63d0\u4f9b\u5176\u5143\u7d20\u7684\u603b\u4f53\u6392\u5e8f\u3002 SortedSet\u7684\u5143\u7d20\u4ee5\u5347\u5e8f(\u5347\u5e8f)\u6392\u5217\u3002 SortedSet\u63d0\u4f9b\u4e86\u5176\u4ed6\u7981\u6b62\u5143\u7d20\u81ea\u7136\u6392\u5e8f\u7684\u65b9\u6cd5\u3002\n <\/div>\n\n SortedSet\u53ef\u4ee5\u5b9e\u4f8b\u5316\u4e3a:\n <\/div>\n\n SortedSet<data-type> set = new <\/span>TreeSet(); <\/span><\/code><\/pre>\n<\/p><\/div>\n TreeSet <\/h2>\n\n Java TreeSet\u7c7b\u5b9e\u73b0\u4e86Set\u63a5\u53e3\uff0c\u8be5\u63a5\u53e3\u4f7f\u7528\u6811\u8fdb\u884c\u5b58\u50a8\u3002\u4e0eHashSet\u4e00\u6837\uff0cTreeSet\u4e5f\u5305\u542b\u552f\u4e00\u5143\u7d20\u3002\u4f46\u662f\uff0cTreeSet\u7684\u8bbf\u95ee\u548c\u68c0\u7d22\u65f6\u95f4\u975e\u5e38\u5feb\u3002 TreeSet\u4e2d\u7684\u5143\u7d20\u4ee5\u5347\u5e8f\u5b58\u50a8\u3002\n <\/div>\n\n \u8bf7\u8003\u8651\u4ee5\u4e0b\u793a\u4f8b:\n <\/div>\n\n import java.util.*; public <\/span>class <\/span>TestJavaCollection9{ public <\/span>static void <\/span>main(String args[]){ TreeSet<String>set=new TreeSet<String>(); set.add<\/span>(\"Ravi\"<\/span><\/span>); set.add<\/span>(\"Vijay\"<\/span>); set.add<\/span>(\"Ravi\"); set.add<\/span>(\"Ajay\"<\/span>); Iterator<String> itr=set.iterator<\/span>(); while(itr.hasNext<\/span>()){ System.out.println<\/span>(itr.next<\/span>()); } } } <\/span><\/code><\/pre>\n<\/p><\/div>\n\n \u8f93\u51fa:\n <\/div>\n\n Ajay Ravi Vijay <\/span><\/code><\/pre>\n<\/p><\/div>\n\u76f8\u5173\u4e3b\u9898<\/h3>\n Java ArrayList<\/span> \n Java LinkedList<\/span> \n ArrayList\u548cLinkedList\u4e4b\u95f4\u7684\u5dee\u5f02<\/span> \n Java List<\/span> \n Java HashSet<\/span> \n Java LinkedHashSet<\/span> \n Java TreeSet<\/span> \n Java \u961f\u5217\u63a5\u53e3<\/span> \n Java Deque\u63a5\u53e3<\/span> \n Java Map\u63a5\u53e3<\/span> \n Java HashMap<\/span> \n Java\u4e2dHashMap\u5de5\u4f5c\u539f\u7406<\/span> \n Java LinkedHashMap<\/span> \n Java TreeMap<\/span> \n Java HashTable<\/span> \n HashMap\u548cHashtable\u4e4b\u95f4\u7684\u533a\u522b<\/span> \n Java EnumSet<\/span> \n Java EnumMap<\/span> \n Java Collections<\/span> \n Java \u96c6\u5408\u6392\u5e8f<\/span> \n Java Comparable\u63a5\u53e3<\/span> \n Java Comparator\u63a5\u53e3<\/span> \n Comparable\u4e0eComparator\u4e4b\u95f4\u7684\u533a\u522b<\/span> \n Java Properties<\/span> \n ArrayList\u4e0eVector\u4e4b\u95f4\u7684\u5dee\u5f02<\/span> \n Java Vector<\/span> \n Java \u5806\u6808<\/span> <\/p>\n \n\u6211\u4eec\u5c06\u5728Java Collections Framework\u4e2d\u5b66\u4e60\u4ec0\u4e48<\/legend>\n ArrayList\u64cd\u4f5c<\/span> \n LinkedList\u64cd\u4f5c<\/span> \n List\u63a5\u53e3 <\/span> \n HashSet\u64cd\u4f5c <\/span> \n LinkedHashSet\u64cd\u4f5c <\/span> \n TreeSet\u64cd\u4f5c <\/span> \n PriorityQueue\u64cd\u4f5c <\/span> \n Map\u63a5\u53e3 <\/span> \n HashMap\u64cd\u4f5c <\/span> \n LinkedHashMap\u64cd\u4f5c <\/span> \n TreeMap\u64cd\u4f5c <\/span> \n HashMap\u63a5\u53e3 <\/span> \n \u96c6\u5408\u6392\u5e8f <\/span> \n \u96c6\u5408\u6bd4\u8f83\u63a5\u53e3 <\/span> \n \u96c6\u5408\u6bd4\u8f83\u5668\u63a5\u53e3 <\/span> \n <\/fieldset>\n <\/body> \n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"Java \u96c6\u5408zh-cn","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[111],"tags":[],"class_list":["post-740","post","type-post","status-publish","format-standard","hentry","category-java-jichu"],"_links":{"self":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/740"}],"collection":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/comments?post=740"}],"version-history":[{"count":0,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/posts\/740\/revisions"}],"wp:attachment":[{"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/media?parent=740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/categories?post=740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bianchenghao6.com\/wp-json\/wp\/v2\/tags?post=740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

Java\u4e2d\u7684\u6846\u67b6\u662f\u4ec0\u4e48<\/h2>\n \u5b83\u63d0\u4f9b\u4e86\u73b0\u6210\u7684\u67b6\u6784\u3002<\/span>\n \u5b83\u4ee3\u8868\u4e00\u7ec4\u7c7b\u548c\u63a5\u53e3\u3002<\/span>\n \u5b83\u662f\u53ef\u9009\u7684\u3002<\/span> <\/p>\n

Java\u4e2d\u7684\u6846\u67b6\u662f\u4ec0\u4e48<\/h2>\n
\u5b83\u63d0\u4f9b\u4e86\u73b0\u6210\u7684\u67b6\u6784\u3002<\/span>
\n \u5b83\u4ee3\u8868\u4e00\u7ec4\u7c7b\u548c\u63a5\u53e3\u3002<\/span>
\n \u5b83\u662f\u53ef\u9009\u7684\u3002<\/span> <\/p>\n