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CS 314 Midterm 1 - Terms and Defs 2
describes a thought experiment or view of an entity.
an item or description of items being sought in a search.
a formal description of a language in terms of vocabulary and rules for writing phrases and sentences.
describes a data structure that cannot be changed once it has been created.
an order of processing a tree in which the parent node is processed in between it's children.
a node of a tree that has children.
a program that reads instructions, determines what they say, and executes them.
given two sets, the intersection is the set of elements that are members of both sets.
a problem that is so hard that it cannot be solved unless the problem is small.
Java Virtual Machine
an interpreter for compiled Java bytecodes.
a tree node containing contents value but with no children.
last-in, first-out: describes the order of a stack.
O(n), a problem whose solution requires a linear amount of time or space if the problem is size n.
a pointer to the next element in a linked list.
a sequence of records, where each record contains a link to the next one.
to combine to ordered linear structures into one.
an element of a linked list, tree, or graph, often represented by a data structure.
a runtime error that occurs when an operation such as a method call is attempted on a null pointer.
a data structure that can be identified at runtime as a member of a class.
a description of the kinds of objects that exist in a computer program.
in a search tree, a program that changes a state into a child state.
in a tree, a node that points to a given node.
a variable containing the address of other data.
an order of processing a tree in which the parent node is processed after it's children.
an order of processing a tree in which the parent node is processed before it's children.
O(n^2), a problem whose solution requires a quadratic amount of time or space if the problem is of size n.
a data structure representing a series of items, which are removed in the same order they were inserted.
describes a data structure or device in which all accesses have the same cost, O(1).
a case where a program calls itself.
a condition of the input data where the data will be handled by calls to the same program.
a pointer to data.
a type in which variables of that type are pointers to objects.
the top node of a tree, from which all other nodes can be reached.