ITEC 120: Wee4 2

• QUIZ 1 on TUESDAY! Based on Homework 1

• Lab 3

• Lab 4

• Selected Topics from Chapter 1:
  • Language levels, compilers, java bytecode,
  • Syntax and semantics
  • Kinds of errors and program development
  • Bit permutations needed to represent a code
  • Memory organization and storage capacity


• Chapter 1 Powerpoint Slides - Edited


• Examples from Chapter 1


• Selected Topics from Chapter 2:
  • Character String Literals
    • String Concatenation
    • Print and println
    • Escape sequences
  • Variables and Assignment
    • declaration
    • initialization
    • assignment operator and statement
    • constants
  • Primitive data types: byte, short, int, long, character, boolean
  • Expressions
    • Operators: +, -, *, /, %
    • Result type
    • Operator precedence
    • Expression trees
  • Data Conversion


• To know for lab 3
• the two meanings of plus (concatenation and addition)
• how plus behaves in printlns
• escape sequences (printing tabs, ", \, etc)


• To know for lab 4
  • variables: declaring and initializing
  • assignment statements
  • expressions (include integer division vs. floating pt division)
  • reading input
  • possibly casting


• Chapter 2 Powerpoint Slides - Edited


• Examples from Chapter 2