DELPHI: Constants

  • This is a value that stays the same throughout a program.
  • Constant declarations are done just above the var declaration (globally or locally most often globally).
  • The data type does not need to be indicated.
  • Declare a constant by using the reserved word const followed by the identifier (the name of the constant), an equal sign and then the value. For example:

  sTown = 'Sasolburg';
  rRate = 0.3256;


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JAK Olivier (2008)