package java.lang;
public abstract class Number extends Object implements java.io.Serializable {
    public Number() {
	throw new Error("unimplemented");
    }
    public abstract int intValue();
    public abstract long longValue();
    public abstract float floatValue();
    public abstract double doubleValue();
    public byte byteValue() {
	throw new Error("unimplemented");
    }
    public short shortValue(){
	throw new Error("unimplemented");
    }

}
