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- public class Main {
- public static void main(String[] args) {
- Purchase purch = new Purchase("komputer", "nie ma promocji", 3000.00);
- System.out.println(purch); // Purchase [prod=komputer, data=nie ma promocji, price=3000.0]
- try {
- purch.setData("w promocji"); // Change value of: data from: nie ma promocji to: w promocji
- purch.setPrice(2000.00); // Change value of: price from: 3000.0 to: 2000.0
- System.out.println(purch); // Purchase [prod=komputer, data=w promocji, price=2000.0]
- purch.setPrice(500.00); // Price change to: 500.0 not allowed
- } catch (PropertyVetoException exc) {
- System.out.println(exc.getMessage());
- }
- System.out.println(purch); // Purchase [prod=komputer, data=w promocji, price=2000.0]
- }
- }
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