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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. 		ArrayList list = new ArrayList();
  13. for(int i =0;i<10;i++)
  14. list.add(""+i);
  15. String s = list.get(2);
  16. System.out.println(s);
  17. 	}
  18. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:15: error: incompatible types: Object cannot be converted to String
String s = list.get(2);
                   ^
Note: Main.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error
stdout
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Standard output is empty
https://ideone.com/n0iSUS
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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