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  | void main() { | |
| print("=== DART BASICS: DATA TYPES & COLLECTIONS ===\n"); | |
| // ======================================== | |
| // ## Numbers (num, int, double) | |
| // ======================================== | |
| // Numbers are used for mathematical calculations | |
| // int: Whole numbers (no decimal point) | |
| // double: Floating-point numbers (with decimal point) | |
  
    
      This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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  | void main() { | |
| print("=== DART BASICS: DATA TYPES & COLLECTIONS ===\n"); | |
| // ======================================== | |
| // ## Numbers (num, int, double) | |
| // ======================================== | |
| // Numbers are used for mathematical calculations | |
| // int: Whole numbers (no decimal point) | |
| // double: Floating-point numbers (with decimal point) | |