Week 09 Notes for CS 2500, Section 001 -- Spring 2002

• Look at Upcoming Schedule
• Class starts at 09:40. I take roll at 09:50
• Announcement(s)
  • I moved back the date for Quiz #2. Now the quiz is scheduled for Thursday, April 25 (instead of April 18). Bring a blue book for the quiz -- the small size and *not* the large size.
• Catch up on lecturing about lists
• Discuss Definition of the stack data type
  • Organization -- Last-In, First-Out
  • Elements -- any given homogeneous set
  • Operations
    • constructor(s)
    • destructor(s)
    • bool StackIsEmpty()
    • void Push(stackItemType NewItem, bool& Success)
    • void Pop(bool& Success)
    • void Pop(stackItemType& StackTop, bool& Success)
    • void GetStackTop(stackItemType& StackTop, bool& Success)
• Discuss applications of the stack data type
  • Evaluating postfix expressions
  • "Towers of Hanoi" puzzle program
  • depth-first search

• Look at Upcoming Schedule
• Class starts at 09:40. I take roll at 09:50
• Announcement(s)
• Discuss implementations of the stack data type
  • array-based implementation
  • pointer-based implementation
  • "as-a-list" implementations