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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. 		String testString =  "@Teste @Teste@ a@A";
  13. 		long a = testString.chars().filter(ch -> ch =='@').count();
  14. 		System.out.println(a);
  15. 	}
  16. }
Success #stdin #stdout 0.12s 4386816KB
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4
https://ideone.com/bbaLdF
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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