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  1.  
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7.  
  8. class Demo {
  9.  
  10.    public static void main(String[] args) {
  11. int x = 10;
  12. int y = 20;
  13. System.out.println(+x);
  14. System.out.println(-y);
  15. System.out.println(++x);
  16. System.out.println(--y);
  17. boolean ok = false;
  18. System.out.println(ok);
  19. System.out.println(!ok);
  20. }
  21. }
Success #stdin #stdout 0.05s 4386816KB
comments (?)
stdin
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Standard input is empty
stdout
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10
-20
11
19
false
true
https://ideone.com/IE4CYy
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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