Subclasses of Number class are:

 BigDecimal
 BigInteger
 Byte
 Double
 Float
 Integer
 Long
 Short


import java.util.*;
class  ScannerExample
{
    public static void main(String[] args) 
    {
        Scanner input=new Scanner(System.in);
        System.out.print("Enter Number: ");
        String st=input.next();
        int intnum=Integer.parseInt(st);
        double doublenum=Double.parseDouble(st);
        double floatnum=Float.parseFloat(st);
        double longnum=Long.parseLong(st);
        double shortnum=Short.parseShort(st);

        System.out.println(intnum);
        System.out.println(doublenum);
        System.out.println(floatnum);
        System.out.println(longnum);
        System.out.println(shortnum);
    }
}

BigInteger Examples

BigDecimal Examples