Class 14: Loops

Held: Tuesday, February 14, 2006

Summary: Today we consider loops (non-recursive control structures for repetition) in Java.

Related Pages:

• EBoard.
• Lab on loops.

Assignments

• Read Espresso: When Things Go Wrong: Exceptions in Java.

Notes:

• No, I will not grade many of your homeworks. I will try to grade some, though.
• Happy Valentine's Day.
• A few of you asked questions about homework 7. I've added those questions and my answers to the homework.

Overview:

• Form of loops.
• Lab.

Forms of Loops

• While loops

  while (test) {
    statements;
  } // while
  next-statement;
  

• Do loops

  do {
    statements
  } while (test);
  next-statement;
  

• For loops

  for (initialization; test; increment) {
    statements;
  } // for
  

• Common form for the for loop

      for (int i = 1; i <= n; ++i)
  

Laboratory

• Do the lab.