import java.lang.reflect.*;
 
public class Main {
   static void setFinalStatic(Field field, Object newValue) throws Exception {
      field.setAccessible(true);
 
      Field modifiersField = Field.class.getDeclaredField("modifiers");
      modifiersField.setAccessible(true);
      modifiersField.setInt(field, field.getModifiers() & ~Modifier.FINAL);
 
      field.set(null, newValue);
   }
 
   public static void main(String args[]) throws Exception {      
      setFinalStatic(Boolean.class.getField("FALSE"), true);
 
      System.out.format("Everything is %s", false); // "Everything is true"
   }
}
 

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