adding old solved challenges

ReverseIntegers/ReverseIntegers.java

@@ -0,0 +1,26 @@
+package ReverseIntegers;
+
+import java.util.Scanner;
+
+public class ReverseIntegers {
+  public static int reverseInt() {
+    int revInt = 0, remainderInt = 0;
+    Scanner sc = new Scanner(System.in);
+
+   System.out.print( "Please enter a number => ");
+    int a = sc.nextInt();
+
+    while (a != 0) {
+      remainderInt = a % 10;
+      revInt *= 10;
+      revInt += remainderInt;
+      a /= 10;
+    }
+    return revInt;
+  }
+
+  public static void main(String[] args) {
+
+    System.out.println(reverseInt());
+  }
+}