a double but better

src/DecimalNumber.java

@@ -0,0 +1,17 @@
+public class DecimalNumber {
+
+    long integerPart;
+    long decimalPart;
+
+    public DecimalNumber(double n){
+        String s = String.valueOf(n);
+        String[] ss = s.split("\\.");
+        integerPart = Long.parseLong(ss[0]);
+        decimalPart = Long.parseLong(ss[1]);
+    }
+
+    public double getValue(){
+        return Double.parseDouble(integerPart + "." + decimalPart);
+    }
+
+}