Refactored to utils method
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@ -12,8 +12,8 @@ public class Investment {
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double investment;
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do {
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System.out.print("Introduza o investimento inicial (múltiplo de 1000): ");
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investment = sin.nextInt();
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} while (investment <= 0 || investment % 1000 != 0);
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investment = UserInput.getPositiveNumber(sin);
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} while (investment % 1000 != 0);
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System.out.print("Introduza a taxa a aplicar (entre 0% e 5%): ");
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double tax = UserInput.getNumberBetween(sin, 0, 5);
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