Any input base to decimal number conversion

any_base_to_decimalconversion.java

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+import java.util.*;
+public class Program
+{
+    public static void main(String[] args) 
+    {
+        //Conversion of other base to decimal 
+        //taking input of number n in base b 
+        //and converting it to number of base decimal
+        Scanner scn=new Scanner(System.in);
+        int n=scn.nextInt();
+        int b=scn.nextInt();
+        int decimal_number=0;
+        int count=0;
+        while(n!=0)
+        {
+            int rem=n%10;
+            int mult=(int)Math.pow(b,count);
+            int fin=rem*mult;
+            decimal_number=decimal_number+fin;
+            count++;
+            n=n/10;
+        }
+        System.out.println(decimal_number);
+	}
+}