}//逆序遍历publicvoidreverseTraverse(){if(head ==null) { System.out.println("链表为空"); }StudentNodetemp=head;//创建栈,用于存放遍历到的节点Stack<StudentNode> stack =newStack<>();while(temp.next !=null) { stack.push(temp.next)
res); Collections.reverse(res); // 反转数组 return res;}public void postorderTraversal(TreeNode root, List res) { if (root == null) { return; } res.add(root.val); // 遍历父节点 postorderTraversal
Socket [java] 网络套接字 ['s?kit]stack n. 堆栈 [st?k] (对应 heap 堆)statement 程序语句; 语句 ['steitm?nt]' n. 陈述, 指令subclass n. 子类 ['s?bklɑ:s]' (supertype 父类)switch (关键字) 选择语句。 n. 开关, 道岔 [swit?]synchronized (关键字) 同步 (锁) ['si?kr?naiz]Thread...
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reverse:将线性表进行逆序操作,这个可是从前数据结构的经典考题哦! rotate:以某个元素为轴心将线性表“旋转”。 swap:交换一个线性表中两个元素的位置。 …… Collections还有一个重要功能就是“封装器”(Wrapper),它提供了一些方法可以把一个集合转换成一个特殊的集合,如下: unmodifiableXXX:转换成只读集合,这里XXX...
容器相关的操作及其源码分析 说明 1、本文是基于JDK 7 分析的。JDK 8 待我工作了得好好研究下。Lambda、Stream。 2、本文会贴出大量的官方注释文档,强迫自己...
containing the specifiedpattern-X exclude exclude stack traceswiththe specifiedpattern-v,--version display version string--title string FlameGraph title--minwidth pct skip frames smaller than pct%--reverse generate stack-reversed FlameGraph / Call tree--loop time run profiler in a loop--alloc ...
Iterator<E> descendingIterator() Returns an iterator over the elements in this deque in reverse sequential order. E element() Retrieves, but does not remove, the head (first element) of this list. E get(int index) Returns the element at the specified position in this list. E getFirst()...
// 基础的数据结构实现如中序遍历 void posorder_traverse(BTree pTree){ PSTACK stack=create_stack(); BTree node_pop; BTree pcur=pTree; BTree pPre=NULL; // first need push the first to the stack push_stack(stack, pTree); while(!is_empty(stack)){ pcur=get_top(stack); // detection ...
public void inOrderTraverse2(TreeNode root) { LinkedList<TreeNode> stack = new LinkedList<>(); TreeNode pNode = root; while (pNode != null || !stack.isEmpty()) { if (pNode != null) { stack.push(pNode); pNode = pNode.left; } else { //pNode == null && !stack.isEmpty(...