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javaã³ããŒç·šé// In ServiceA
double calculateDiscount(double amount) {
if (amount > 1000) {
return amount * 0.1;
}
return 0;
}
// Later in ServiceB
double computeDiscount(double value) {
if (value > 1000) {
return value * 0.1;
}
return 0;
}
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pythonã³ããŒç·šéclass OrderProcessor:
def process_order(self, order):
# Validate order
# Calculate discounts
# Update inventory
# Send notification emails
# Generate invoice
pass
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äžæ¹ãããŒã¿ã¯ã©ã³ãã¯ãåãããŒã¿ã°ã«ãŒããæå³ã®ããæ§é ã«ã«ãã»ã«åãããããšãªããç¹°ãè¿ãäžç·ã«æž¡ããããšãã«çºçããŸããäŸãã°ã firstName, lastName, streetAddress, city, zipCode è€æ°ã®ã¡ãœããããŸãšããŠå®çŸ©ããã®ã§ã¯ãªãã Address ãªããžã§ã¯ãã
説æäŸ:
javaã³ããŒç·šé// Instead of this
public void createCustomer(String firstName, String lastName, String street, String city, String zip) { ... }
// Prefer this
public void createCustomer(Address address) { ... }
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sqlã³ããŒç·šé-- Tax logic duplicated in different places
SELECT amount * 0.05 FROM invoices;
SELECT amount * 0.05 FROM payments;
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