CSE 113 Week 2 January 21 - 25, 2008 Monday Announcements No class Monday Wednesday Announcements Pick up Syllabus Last day to drop/add is Friday Wednesday Game Plan Variables Wednesday Variables are ways to store the values we are using. Variables are actually named storage. Wednesday Declaring a variable: type name; Programmer decides what to name a variable. Assigning a value to a variable name = value; Note that assignment goes from right to the left, the value is assigned to the variable. Wednesday You can also reassign variables. int x = 5; int y = 3; x = y; What is the value of x now? Friday Announcements Pick up Syllabus Today is the last day to drop/add Spring 2008 classes Friday Game Plan Exam 1 on Monday – discuss format and topics Chapter 3 – working with objects Friday Chapter 3 will not be on Exam 1. Creating an object new objectName(); Can store objects in variables as well Let’s create a World World w = new World(); Friday Worlds can have Turtles in them. new Turtle (w); When we create new turtles, they appear on top of the previous turtles We need a way to talk to each turtle individually – a variable for each.