Assigning Values to Variables

• CONCEPT: Computers must be told what value to assign to variables

• CONCEPT: The general form of an assignment statement is

  <variable name> <assignment symbol> <expression>
  
  • Languages use different assignment symbols: = := ?
  • Read assignment as “is assigned”, or “becomes” or “gets”
  • All three components must always be present

• CONCEPT: Fundamental property of assignment

  The “flow” of information is always right-to-left
  

• VB6: Some examples of variable assignment

  • destination = 12
  • changedVariable = value

Meta-brackets < > enclose language defining terms

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