题目内容

单选题 The () is a pointer that identifies the next element in the linked list.

A. link
B. node
C. array
D. a or b

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单选题 An empty linked list consists of ().

A. a variable
B. two nodes
C. data and a link
D. a null head pointer

单选题 To traverse a list, you need a () pointer.

A. null
B. walking
C. beginning
D. insertion

填空题 We can access the individual elements of an element of an array using the array and the .

填空题 A is a collection of related element, possibly of different types, having a single name, each element in it is called a .