Change project structure to a Maven Java project + Refactor (#2816)

src/main/java/com/thealgorithms/misc/PalindromePrime.java

@@ -0,0 +1,49 @@
+package com.thealgorithms.misc;
+
+import java.util.Scanner;
+
+public class PalindromePrime {
+
+    public static void main(String[] args) { // Main funtion
+        Scanner in = new Scanner(System.in);
+        System.out.println("Enter the quantity of First Palindromic Primes you want");
+        int n = in.nextInt(); // Input of how many first palindromic prime we want
+        functioning(n); // calling function - functioning
+        in.close();
+    }
+
+    public static boolean prime(int num) { // checking if number is prime or not
+        for (int divisor = 3; divisor <= Math.sqrt(num); divisor += 2) {
+            if (num % divisor == 0) {
+                return false; //  false if not prime
+            }
+        }
+        return true; // True if prime
+    }
+
+    public static int reverse(int n) { //  Returns  the reverse of the number
+        int reverse = 0;
+        while (n != 0) {
+            reverse *= 10;
+            reverse += n % 10;
+            n /= 10;
+        }
+        return reverse;
+    }
+
+    public static void functioning(int y) {
+        if (y == 0) {
+            return;
+        }
+        System.out.print(2 + "\n"); // print the first Palindromic Prime
+        int count = 1;
+        int num = 3;
+        while (count < y) {
+            if (num == reverse(num) && prime(num)) { // number is prime and it's reverse is same
+                count++; // counts check when to terminate while loop
+                System.out.print(num + "\n"); // print the Palindromic Prime
+            }
+            num += 2; // inrease iterator value by two
+        }
+    }
+}