Mekhi lesson07

lesson_07/objects/objects_app/src/main/java/com/codedifferently/lesson7/MekhiWilliams/MekhiWilliams07.java

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+package com.codedifferently.lesson7.MekhiWilliams;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@SpringBootApplication(scanBasePackages = "com.codedifferently")
+public class MekhiWilliams07 {
+
+  public static void main(String[] args) {
+    var application = new SpringApplication(MekhiWilliams07.class);
+    application.run(args);
+
+    // Instantiate and use Sneaker class for demonstration
+    Sneaker sneaker = new Sneaker("Nike", "Air Max", 10.5, Sneaker.SneakerType.RUNNING, false);
+    sneaker.displaySneakerDetails();
+  }
+}
+
+// Custom class representing a sneaker
+class Sneaker {
+  // Enum for different sneaker types
+  public enum SneakerType {
+    RUNNING,
+    BASKETBALL,
+    CASUAL
+  }
+
+  // Member variables
+  private String brand;
+  private String model;
+  private double size;
+  private SneakerType type;
+  private boolean isLimitedEdition;
+
+  // Constructor
+  public Sneaker(
+      String brand, String model, double size, SneakerType type, boolean isLimitedEdition) {
+    this.brand = brand;
+    this.model = model;
+    this.size = size;
+    this.type = type;
+    this.isLimitedEdition = isLimitedEdition;
+  }
+
+  // Getter methods
+  public String getBrand() {
+    return brand;
+  }
+
+  public String getModel() {
+    return model;
+  }
+
+  public double getSize() {
+    return size;
+  }
+
+  public SneakerType getType() {
+    return type;
+  }
+
+  public boolean isLimitedEdition() {
+    return isLimitedEdition;
+  }
+
+  // Function using conditional expression
+  public String getPopularity() {
+    return isLimitedEdition ? "Limited Edition" : "Regular Edition";
+  }
+
+  // Function using loop
+  public void displaySneakerDetails() {
+    System.out.println("Brand: " + brand);
+    System.out.println("Model: " + model);
+    System.out.println("Size: " + size);
+    System.out.println("Type: " + type);
+    System.out.println("Edition: " + getPopularity());
+  }
+
+  // Function throwing custom exception
+  public void validateSize() throws InvalidSizeException {
+    if (size <= 0) {
+      throw new InvalidSizeException("Size should be greater than 0");
+    }
+  }
+
+  // Custom exception class
+  public static class InvalidSizeException extends Exception {
+    public InvalidSizeException(String message) {
+      super(message);
+    }
+  }
+}

lesson_07/objects/objects_app/src/test/java/com/codedifferently/lesson7/MekhiWilliams/MekhiWilliams07Test.java

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+package com.codedifferently.lesson7.MekhiWilliams;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class MekhiWilliams07Test {
+
+  @Test
+  void testSneakerDetails() {
+    Sneaker sneaker = new Sneaker("Nike", "Air Max", 10.5, Sneaker.SneakerType.RUNNING, false);
+    assertEquals("Nike", sneaker.getBrand());
+    assertEquals("Air Max", sneaker.getModel());
+    assertEquals(10.5, sneaker.getSize());
+    assertEquals(Sneaker.SneakerType.RUNNING, sneaker.getType());
+    assertEquals(false, sneaker.isLimitedEdition());
+  }
+
+  @Test
+  void testPopularity() {
+    Sneaker sneaker1 = new Sneaker("Adidas", "Yeezy", 9.5, Sneaker.SneakerType.CASUAL, true);
+    Sneaker sneaker2 = new Sneaker("Nike", "Air Force 1", 11.0, Sneaker.SneakerType.CASUAL, false);
+
+    assertEquals("Limited Edition", sneaker1.getPopularity());
+    assertEquals("Regular Edition", sneaker2.getPopularity());
+  }
+
+  @Test
+  void testValidateSize() {
+    Sneaker sneaker = new Sneaker("Puma", "RS-X", -1, Sneaker.SneakerType.CASUAL, false);
+
+    try {
+      sneaker.validateSize();
+    } catch (Sneaker.InvalidSizeException e) {
+      assertEquals("Size should be greater than 0", e.getMessage());
+    }
+  }
+}
+