1126 Data Structures Chapter 19 (Web hosting india) linear data structure
1126 Data Structures Chapter 19 linear data structure queue linked list recursive tree traversal algorithms node right child nonlinear data structure right subtree null reference root node OutOfMemoryError self-referential class parent node stack pop subtree postorder traversal of a binary tree tail of a queue predicate method top of a stack preorder traversal of a binary tree traversal program execution stack tree push visiting a node SELF-REVIEW EXERCISES 19.1 Fill in the blanks in each of the following statements: a) A self-class is used to form dynamic data structures that can grow and shrink at execution time. b) Operator dynamically allocates memory; this operator returns a reference to the allocated memory. c) A is a constrained version of a linked list in which nodes can be inserted and deleted only from the start of the list; this data structure returns node values in last-in, first-out order. d) A method that does not alter a linked list, but simply looks at the list to determine whether it is empty is referred to as a method. e) A queue is referred to as a data structure because the first nodes inserted are the first nodes removed. f) The reference to the next node in a linked list is referred to as a . g) Automatically reclaiming dynamically allocated memory in Java is called . h) A is a constrained version of a linked list in which nodes can be inserted only at the end of the list and deleted only from the start of the list. i) A is a nonlinear, two-dimensional data structure that contains nodes with two or more links. j) A stack is referred to as a data structure because the last node inserted is the first node removed. k) The nodes of a tree contain two link members. l) The first node of a tree is the node. m) Each link in a tree node refers to a or of that node. n) A tree node that has no children is called a node. o) The four traversal algorithms we mentioned in the text for binary search trees are ,, and . 19.2 What are the differences between a linked list and a stack? 19.3 What are the differences between a stack and a queue? 19.4 Perhaps a more appropriate title for this chapter would have been Reusable Data Structures. Comment on how each of the following entities or concepts contributes to the reusability of data structures: a) classes b) inheritance c) composition
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