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import java.util.ArrayList; |
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import java.util.List; |
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class UserAuthentication { |
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private String username; |
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private String password; |
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public UserAuthentication(String username, String password) { |
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this.username = username; |
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this.password = password; |
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} |
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public String hashPassword() { |
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return "hashed_" + password; |
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} |
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public boolean checkPasswordStrength() { |
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return password.length() >= 8; |
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} |
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public boolean authenticate() { |
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return username != null && password != null; |
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} |
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} |
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class OrderProcessor { |
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public Order processOrder(Order order) { |
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Order validatedOrder = validateOrder(order); |
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Order calculatedOrder = calculateTotal(validatedOrder); |
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return submitOrder(calculatedOrder); |
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} |
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private Order validateOrder(Order order) { |
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order.setValid(true); |
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return order; |
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} |
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private Order calculateTotal(Order order) { |
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order.setTotal(100.0); |
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return order; |
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} |
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private Order submitOrder(Order order) { |
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order.setSubmitted(true); |
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return order; |
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} |
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} |
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class UserManager { |
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private User userData; |
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public UserManager(User userData) { |
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this.userData = userData; |
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} |
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public boolean validateUser() { |
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return userData.getName() != null && userData.getEmail() != null; |
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} |
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public void saveUser() { |
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System.out.println("User saved: " + userData.getName()); |
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} |
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public void sendWelcomeEmail() { |
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System.out.println("Welcome email sent to: " + userData.getEmail()); |
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} |
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} |
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class Order { |
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private boolean isValid; |
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private double total; |
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private boolean isSubmitted; |
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public void setValid(boolean valid) { this.isValid = valid; } |
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public void setTotal(double total) { this.total = total; } |
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public void setSubmitted(boolean submitted) { this.isSubmitted = submitted; } |
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} |
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class User { |
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private String name; |
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private String email; |
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public User(String name, String email) { |
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this.name = name; |
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this.email = email; |
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} |
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public String getName() { return name; } |
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public String getEmail() { return email; } |
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} |
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public class CohesionExamples { |
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public static void main(String[] args) { |
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UserAuthentication auth = new UserAuthentication("user1", "password123"); |
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System.out.println("Password hashed: " + auth.hashPassword()); |
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System.out.println("Password strength: " + auth.checkPasswordStrength()); |
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System.out.println("User authenticated: " + auth.authenticate()); |
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OrderProcessor processor = new OrderProcessor(); |
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Order order = new Order(); |
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Order processedOrder = processor.processOrder(order); |
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System.out.println("Order processed successfully."); |
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User user = new User("John Doe", "[email protected]"); |
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UserManager userManager = new UserManager(user); |
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System.out.println("User valid: " + userManager.validateUser()); |
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userManager.saveUser(); |
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userManager.sendWelcomeEmail(); |
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System.out.println("Cohesion examples created successfully."); |
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} |
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} |
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