ITEC 120: Week 5

• QUIZ 3 on TUESDAY! Based on Homework 3. Topics:
  • String methods
  • Aliases
  • Reading method declarations and using methods (class Math)
  • Generating Random Numbers
  
  
• Program 1 due Tuesday midnight.

• LAB QUIZ 2 on FRIDAY!

• Lab 8

• Selected Topics from Chapter 3:
• Static Method calls and class Math


• Wrapper Classes


• Autoboxing (Warning: this violates type rules!)


• Enumerated types


• Selected Topics from Chapter 4:
• Wirth: Algorithms + Data Structures = Programs!


• RollingDice.java is a client of the Die class in Die.java (ie makes use of services)


• Objects have State and Behavior (and Identity)


• State - current value, defined by variables in class
• Behavior - actions object can take, defined by methods in class
• Identity - can create multiple instances of a given object
• State, Behavior, Identity for Students, Formatters, Die


• Class Die: State and behavior


• Fields: Instance data declared inside a class


• Fields: Each instance the fields


• Fields: different from variables declared inside methods