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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. 		System.out.println(String.format("%02d", "1"));
  14. 	}
  15. }
Runtime error #stdin #stdout #stderr 0.04s 4386816KB
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Standard input is empty
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Standard output is empty
stderr
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Exception in thread "main" java.util.IllegalFormatConversionException: d != java.lang.String
	at java.util.Formatter$FormatSpecifier.failConversion(Formatter.java:4302)
	at java.util.Formatter$FormatSpecifier.printInteger(Formatter.java:2793)
	at java.util.Formatter$FormatSpecifier.print(Formatter.java:2747)
	at java.util.Formatter.format(Formatter.java:2520)
	at java.util.Formatter.format(Formatter.java:2455)
	at java.lang.String.format(String.java:2940)
	at Ideone.main(Main.java:13)
https://ideone.com/AsrUsu
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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