fork(2) download
copy 
  1. 		import java.util.Scanner;
  2.  
  3.  
  4. 				public class CircleStuff {
  5. 					public static void main(String[] args){
  6. 						Scanner myScanner = new Scanner(System.in);
  7. 						double pi = 3.14159265359;
  8. 						double sum = 0;
  9. 						boolean done = false;
  10.  
  11. 						while (done == false){
  12. 						System.out.println("Wil je de omtrek of de oppervlakte van de cirkel weten?");
  13. 						String answer = myScanner.nextLine();
  14. 						answer = answer.toLowerCase();
  15. 					    if (answer.equals("omtrek")){
  16. 					    	System.out.println("Wat is de radius van de cirkel?");
  17. 							double radius = myScanner.nextDouble();
  18. 							String test = myScanner.nextLine();
  19. 					    	sum = radius * pi;
  20. 							System.out.println("De omtrek van de cirkel is: " + sum);
  21. 						}else if (answer.equals("oppervlakte") ){
  22. 							System.out.println("Wat is de radius van de cirkel?");
  23. 							double radius = myScanner.nextDouble();
  24. 							String test = myScanner.nextLine();
  25. 							sum = radius * radius * pi;
  26. 							System.out.println("De oppervlakte van de cirkel is: " + sum);
  27. 						}else{
  28. 							System.out.println("Ik begreep het antwoord niet, probeer opnieuw");
  29. 						}
  30.  
  31. 						System.out.println("Wil je nog een keer de omtrek of oppervlakte van een cirkel weten?");
  32. 						String answer2 = myScanner.nextLine();
  33. 						answer2 = answer2.toLowerCase();
  34. 						if (answer2.equals("ja")){
  35. 							done = false;
  36. 						}else if (answer2.equals("nee")){
  37. 							done = true;
  38. 						}else{
  39. 							System.out.println("Ik begreep het antwoord niet, probeer opnieuw");
  40. 							answer2 = myScanner.nextLine();
  41. 							answer2 = answer2.toLowerCase();
  42. 						}
  43. 						}
  44. 					}
  45.  
  46. 				}
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
copy 
Standard input is empty
compilation info 
Main.java:4: error: class CircleStuff is public, should be declared in a file named CircleStuff.java
				public class CircleStuff {
				       ^
1 error
stdout
copy 
Standard output is empty
https://ideone.com/6tKB6a
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!