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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		// your code goes here
  13. 		Scanner in = new Scanner (System.in);
  14. 		System.out.println("Enter number :");
  15. 		double r=in.nextDouble();
  16. 		System.out.println("num ="+r);
  17. 	}
  18. }
Runtime error #stdin #stdout #stderr 0.19s 57888KB
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stdin
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Scanner
stdout
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Enter number :
stderr
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Exception in thread "main" java.util.InputMismatchException
	at java.base/java.util.Scanner.throwFor(Scanner.java:939)
	at java.base/java.util.Scanner.next(Scanner.java:1594)
	at java.base/java.util.Scanner.nextDouble(Scanner.java:2564)
	at Ideone.main(Main.java:15)
https://ideone.com/HL6zvs
language:
Java (HotSpot 12)
created:
186 days ago
visibility:
public

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