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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. public static void main (String[] args) throws java.lang.Exception
  8. {
  9. int a;
  10. if (false)
  11. a = 5;
  12. System.out.println(a);
  13. }
  14. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
Main.java:12: error: variable a might not have been initialized
		System.out.println(a);
		                   ^
1 error
stdout
Standard output is empty