Week 5

Reminders

• Assignment 2 was due last Friday. Return it if you have it graded.
• Assignment 3 is posted
• The first midterm is/was Wednesday of this week.
• This week we will focus on selection (if statement) and writing and calling static methods.

Outline

• Questions from class?
• Spend a few minutes going over the midterm if they've already taken it.
• Do the Example Below

Example

• Write a circle class with your lab section containing the following methods:

  public static double circumference(double r)
  		
  Precondition:  r > 0
  
  Method should exit if precondition is false
  
  
  public static double area(double r)
  
  Precondition:  r > 0
  
  Method should exit if precondition is false
  
  
  A main method for testing both of the above. 
  
  

  Tell them to include the following libraries:

  		import java.util.*;             // Date class
  	

  Solution