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ok, thank you.

I don't know if or where to put that in.

a white space signifies the end of a digit

stop printing if digit reaches a white space

if it is a digit, print it, if not do not print it

check to see if it's a digit

if(Character.isDigit(character)||sentence.charAt(i)== '.')
{
if (sentence.charAt(i)== ' ') of the digit
break;
System.out.printf...

Yup, sighh. Thanks, how exactly do i go about doing that? would still like to know.

--- Update ---

I figured it out :D thanks for the guidance.

--- Update ---

Umm, apparently it isn't...

Write a Java program ExtractNumber.java to read the data via the keyboard, character
by character and print the first number (with or without a decimal point) contained in the
input. For example,...