MAth floor method

Please help... I am trying to write an applet that has the following four methods for rounding a number x in various ways:

1. roundToInteger( double number ) double y = Math.floor ( X )

2. roundToTenths( float number ) float y = Math.floor ( X ) / 10

3. roundToHundredths( double number ) double y = Math.floor ( X ) / 100

4. roundToThousandths( double number ) double y = Math.floor ( X ) / 1000

if I am populating the code via user input I will have to use the parse function, for example:

String InputasString = JOptionPane.showInputDialog("Message");

int InputasInteger = Integer.parseInt (Input);

I believe this works for any data type...wouldn't it?

but how do i write an applet with error conditions and

[778 byte] By [xoxo123a] at [2007-11-27 3:54:05]