Course Overview; Data Types and Control Flow

Course Overview

Problem: How is basic arithmetic and string manipulation done?

• Primitive types
  • byte
  • short
  • int
  • long
  • float
  • double
  • char
  • boolean
• Object types
  • references
  • String
  • members and methods
  • new needed
• Expressions
  • Assignment
  • Arithmetic
  • Precedence
  • Sequencing
  • Casting
  • Constants

Problem: How can choices be made and actions done repeatedly?

• Selection
  • Simple if statements
  • Nested if statements
  • switch statements
  • == vs. equals()
• Boolean logic
  • And, or, not operators
  • Short-circuit evaluation
• Repetition
  • while loops
  • for loops
  • do-while loops
  • Pitfalls
    • Infinite loops
    • Off by one errors
    • Overflow
    • Never entering the loop

Introduction to DrJava