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  1. public class Hello {
  2. public static void main(String[] args)
  3. {
  4. if(null==null)
  5. System.out.println("Hello");
  6. }
  7. }
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
Main.java:1: error: class Hello is public, should be declared in a file named Hello.java
public class Hello  {
       ^
1 error
stdout
Standard output is empty