feat(5.3): finish unit 5 lesson 3 activities

src/main/java/Unit5/U5_L3_Activity_One.java

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+// /* Lesson 3 Coding Activity Question 1 */
+
+// import java.util.Scanner;
+// import shapes.*;
+
+// public class U5_L3_Activity_One
+// {
+
+//   /* Add the method makeEqTriangle here */
+
+//   // You can uncomment and add to the main method to test your code
+//   // You will need to remove/comment out this method before submitting your code
+
+//   public static void makeEqTriangle(RegularPolygon poly){
+//     poly.setNumSides(3);
+//   }
+
+//   // public static void main(String[] args){
+
+//   // }
+
+// }

src/main/java/Unit5/U5_L3_Activity_Three.java

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+// /* Lesson 3 Coding Activity Question 3 */
+
+// import java.util.Scanner;
+// import shapes.*;
+
+// public class U5_L3_Activity_Three
+// {
+
+//   /* Add the method updateNumSides here */
+
+//   // You can uncomment and add to the main method to test your code
+//   // You will need to remove/comment out this method before submitting your code
+
+//   public static void updateNumSides(RegularPolygon poly, int sides){
+//     poly.setNumSides(sides);
+
+//   }
+
+//   /*
+//   public static void main(String[] args){
+
+//   }
+//   */
+// }

src/main/java/Unit5/U5_L3_Activity_Two.java

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+// /* Lesson 3 Coding Activity Question 2 */
+
+// import java.util.Scanner;
+// import shapes.*;
+// import testing.Math;
+
+// public class U5_L3_Activity_Two {
+
+//     /* Add the method randomize here */
+
+//     // You can uncomment and add to the main method to test your code
+//     // You will need to remove/comment out this method before submitting your code
+
+//     public static void randomize(Rectangle rect) {
+//         int width = ((int) (Math.random() * 4) * 2) + 7;
+//         int length = ((int) (Math.random() * 6) * 2) + 10;
+
+//         rect.setWidth(width);
+//         rect.setLength(length);
+//     }
+
+//     /*
+//     public static void main(String[] args) {
+//         Rectangle rect = new Rectangle();
+//         System.out.println(rect);
+//         randomize(rect);
+//         System.out.println(rect);
+//         randomize(rect);
+//         System.out.println(rect);
+//         randomize(rect);
+//         System.out.println(rect);
+//         randomize(rect);
+//         System.out.println(rect);
+//         randomize(rect);
+//         System.out.println(rect);
+//         randomize(rect);
+//         System.out.println(rect);
+//     }
+//     */
+// }