Merge pull request ephremdeme#41 from ek08/new-java

Reverse a number in java

Author: ephremdeme

problems/reverseNumber.java

@@ -0,0 +1,10 @@
+public static int reverseNumber(int num)
+{
+   int ans=0;
+   while(num>0){
+      int remainder=num%10;
+      ans=ans*10+remainder;
+      num=num/10;
+      }
+   return ans;
+}