Reverse

Reverse

@@ -0,0 +1,21 @@
+class Main {
+  public static void main(String[] args) {
+
+    int num = 1234, reversed = 0;
+
+    System.out.println("Original Number: " + num);
+
+    // run loop until num becomes 0
+    while(num != 0) {
+
+      // get last digit from num
+      int digit = num % 10;
+      reversed = reversed * 10 + digit;
+
+      // remove the last digit from num
+      num /= 10;
+    }
+
+    System.out.println("Reversed Number: " + reversed);
+  }
+}