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#1 2011-06-04 08:47:49
- matthew8092001
- Scratcher
- Registered: 2010-09-12
- Posts: 100+
Java help
I basically don't really program in scratch anymore, i use JCreator which is this java thing. Anyway, I'm trying to assign the user input to a variable, but it's not working. Here's the code:
import java.io.* ;
public class Matthew {
public static void main(String[] args) {
scanner scan = new scanner(System.in);a
System.out.println("enter a number:");
int y = scan.nextInt();
double x=(Math.PI);
System.out.println("Assuming that the radius of the circle is y, the area of the circle is "+(Math.pow(x,2)*y)+" square units.");
}
}
Any ideas on what's wrong here?
Last edited by matthew8092001 (2011-06-04 08:48:19)
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#2 2011-06-04 08:50:41
#3 2011-06-04 08:55:09
- matthew8092001
- Scratcher
- Registered: 2010-09-12
- Posts: 100+
Re: Java help
ProgrammingFreak wrote:
This help?
It helped, but then after I type in a number and hit "enter," error messages keep on popping up and going like "ExceptionDetectorError, "Publicclass not found on port 80", blah, blah, blah. I'm trying to look for a straightforward command. It might not be possible, but I believe that you can do pretty much anything with Java.
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#4 2011-06-04 09:08:13
- matthew8092001
- Scratcher
- Registered: 2010-09-12
- Posts: 100+
Re: Java help
-bbbbbump------
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#5 2011-06-04 11:59:56
- rabbit1131
- Scratcher
- Registered: 2009-10-16
- Posts: 1000+
Re: Java help
Code:
import java.util.*;
public class Matthew {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("enter a number:");
int y = scan.nextInt();
double x=(Math.PI);
System.out.println("Assuming that the radius of the circle is y, the area of the circle is "+(Math.pow(x,2)*y)+" square units.");
}
}This code works!
The Intergalactic Adventures of Revesilia! I hope you will partake in this gigantic undertaking, to build the sequel to the hit map The Adventures of Revesilia! The Intergalactic Adventures of Revesilia Map Builders Application thread!
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#6 2011-06-04 12:05:04
- rabbit1131
- Scratcher
- Registered: 2009-10-16
- Posts: 1000+
Re: Java help
I made it work. You were importaing java.io, needed to be java.util and some other minor things. But, run that code and it will work.
The Intergalactic Adventures of Revesilia! I hope you will partake in this gigantic undertaking, to build the sequel to the hit map The Adventures of Revesilia! The Intergalactic Adventures of Revesilia Map Builders Application thread!
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#7 2011-06-05 07:47:25
- matthew8092001
- Scratcher
- Registered: 2010-09-12
- Posts: 100+
Re: Java help
rabbit1131 wrote:
Code:
import java.util.*; public class Matthew { public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.println("enter a number:"); int y = scan.nextInt(); double x=(Math.PI); System.out.println("Assuming that the radius of the circle is y, the area of the circle is "+(Math.pow(x,2)*y)+" square units."); } }This code works!
Thanks.
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#8 2011-06-05 09:07:52
- matthew8092001
- Scratcher
- Registered: 2010-09-12
- Posts: 100+
Re: Java help
More help please?
I have all the public static void stuff and the imports down in case you're wondering if I'm a java n00b, which I am.
It doesn't seem to work.
System.out.println("Enter something random:");
Scanner scan2 = new Scanner(System.in);
String z = scan2.toString();
System.out.println("You're a " + (z));
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