Number class

Parent class of all of number wrapper class.

public abstract class Numbr implements java.io.Serializable {
    public abstract int intValue();
    public abstract long longValue();
    public abstract float floatValue();
    public abstract double doubleValue();
    
    public byte byteValue() {
        return (byte)intValue();
    }
    public short shortValue() {
        return (short)intValue();
    }
}