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  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. 					    	sum = radius * pi;
  19. 							System.out.println("De omtrek van de cirkel is: " + sum);
  20. 						}else if (answer.equals("oppervlakte") ){
  21. 							System.out.println("Wat is de radius van de cirkel?");
  22. 							double radius = myScanner.nextDouble();
  23. 							sum = radius * radius * pi;
  24. 							System.out.println("De oppervlakte van de cirkel is: " + sum);
  25. 						}else{
  26. 							System.out.println("Ik begreep het antwoord niet, probeer opnieuw");
  27. 						}
  28.  
  29. 						System.out.println("Wil je nog een keer de omtrek of oppervlakte van een cirkel weten?");
  30. 						String answer2 = myScanner.nextLine();
  31. 						answer2 = answer2.toLowerCase();
  32. 						if (answer2.equals("ja")){
  33. 							done = false;
  34. 						}else if (answer2.equals("nee")){
  35. 							done = true;
  36. 						}else{
  37. 							System.out.println("Ik begreep het antwoord niet, probeer opnieuw");
  38. 							answer2 = myScanner.nextLine();
  39. 							answer2 = answer2.toLowerCase();
  40. 						}
  41. 						}
  42. 					}
  43.  
  44. 				}
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
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 
Standard output is empty
https://ideone.com/fpchHd
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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