Quiz

lesson_04/lesson_04 programs/Prime Number_1.java

@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class PrimeChecker {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Enter a number: ");
+        int number = scanner.nextInt();
+
+        if (isPrime(number)) {
+            System.out.println(number + " is a prime number.");
+        } else {
+            System.out.println(number + " is not a prime number.");
+        }
+
+        scanner.close();
+    }
+
+    public static boolean isPrime(int n) {
+        if (n <= 1) {
+            return false; 
+        }
+        if (n == 2) {
+            return true; 
+        }
+        if (n % 2 == 0) {
+            return false; 
+        }
+        for (int i = 3; i <= Math.sqrt(n); i += 2) {
+            if (n % i == 0) {
+                return false; 
+            }
+        }
+        return true;
+    }
+}

lesson_04/lesson_04 programs/PrimeNumber.cpp

@@ -0,0 +1,64 @@
+#include <iostream>
+#include <vector>
+#include <cmath>
+
+using namespace std;
+
+// Function to check if a number is prime
+bool isPrime(int num) {
+    if (num <= 1) return false;
+    if (num == 2) return true;
+    if (num % 2 == 0) return false;
+
+    int sqrtNum = sqrt(num);
+    for (int i = 3; i <= sqrtNum; i += 2) {
+        if (num % i == 0) return false;
+    }
+    return true;
+}
+
+// Function to generate prime numbers up to a limit
+vector<int> generatePrimes(int limit) {
+    vector<int> primes;
+    for (int i = 2; i <= limit; i++) {
+        if (isPrime(i)) {
+            primes.push_back(i);
+        }
+    }
+    return primes;
+}
+
+int main() {
+    int choice;
+    cout << "Prime Number Tool\n";
+    cout << "1. Check if a number is prime\n";
+    cout << "2. Generate prime numbers up to a limit\n";
+    cout << "Enter your choice: ";
+    cin >> choice;
+
+    if (choice == 1) {
+        int num;
+        cout << "Enter a number: ";
+        cin >> num;
+        if (isPrime(num))
+            cout << num << " is a prime number.\n";
+        else
+            cout << num << " is NOT a prime number.\n";
+    }
+    else if (choice == 2) {
+        int limit;
+        cout << "Generate primes up to: ";
+        cin >> limit;
+        vector<int> primes = generatePrimes(limit);
+        cout << "Prime numbers up to " << limit << ": ";
+        for (int p : primes) {
+            cout << p << " ";
+        }
+        cout << "\n";
+    }
+    else {
+        cout << "Invalid choice.\n";
+    }
+
+    return 0;
+}

lesson_04/lesson_04 programs/README

@@ -0,0 +1,10 @@
+# Java vs. C++: Prime Numbers
+
+## Introduction
+    I have compared and contrasted the different ways in how the programming languages Java and C++ claculate whether a number is prime or not and give an appropriate output.
+
+## Comparisons
+    Both Java and C++ both use the same algorithm to get to the solution of whether or not a number is prime. Both of these languages have a similar function design. They also have a similar input handling and read an integer from the console and output result to the console as well.
+
+## Differences
+    There are many ways in which these two languages differ in the aspect of finding prime numbers. One point of difference is that C++ uses the int main() function and Java uses public static void main(String[] args) as an entry point. Another difference is their data types. For instance, C++ utilizes bool, which is a native type and Java utilizes boolean, which is a primitive.

lesson_05/quiz/src/lesson5.ts

@@ -38,7 +38,7 @@ export class Lesson5 {
         [AnswerChoice.C, "To insert an image"],
         [AnswerChoice.D, "To create a paragraph"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -52,7 +52,7 @@ export class Lesson5 {
         [AnswerChoice.C, "alt"],
         [AnswerChoice.D, "href"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.C,
     );
   }
 
@@ -66,7 +66,7 @@ export class Lesson5 {
         [AnswerChoice.C, "<div>"],
         [AnswerChoice.D, "<link>"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.A,
     );
   }
 
@@ -80,7 +80,7 @@ export class Lesson5 {
         [AnswerChoice.C, "<span>"],
         [AnswerChoice.D, "<br>"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.C,
     );
   }
 
@@ -94,7 +94,7 @@ export class Lesson5 {
         [AnswerChoice.C, "Computer Style Sheets"],
         [AnswerChoice.D, "Cascading System Sheets"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -108,7 +108,7 @@ export class Lesson5 {
         [AnswerChoice.C, "text-color"],
         [AnswerChoice.D, "background-color"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.C,
     );
   }
 
@@ -122,7 +122,7 @@ export class Lesson5 {
         [AnswerChoice.C, "/* this is a comment */"],
         [AnswerChoice.D, "<!-- this is a comment -->"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.C,
     );
   }
 
@@ -136,7 +136,7 @@ export class Lesson5 {
         [AnswerChoice.C, "text-size"],
         [AnswerChoice.D, "text-style"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.B,
     );
   }
 
@@ -150,7 +150,7 @@ export class Lesson5 {
         [AnswerChoice.C, "inline-block"],
         [AnswerChoice.D, "none"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.A,
     );
   }
 
@@ -164,7 +164,7 @@ export class Lesson5 {
         [AnswerChoice.C, "<stylesheet link='styles.css'>"],
         [AnswerChoice.D, "<css href='styles.css'>"],
       ]),
-      AnswerChoice.UNANSWERED,
+      AnswerChoice.A,
     );
   }
 }