Groovy Logical Operators

class Example { 
   static void main(String[] args) { 
      boolean x = true; 
      boolean y = false; 
      boolean z = true; 
		
      println(x&&y); 
      println(x&&z); 
		
      println(x||z); 
      println(x||y); 
      println(!x); 
   } 
}