log.info "starting"

// we use class to create  objects of a class

Planet p1 = new Planet()

Planet p2 = new Planet()

//Planet.name = "Pluto"  illegal

Planet.shape = "Circle"    // static variable

Planet.log = log

p1.name = "earth"  // non static variable

p2.name = "jupiter"

p1.printName()   // non static has to be called with reference

Planet.revolve()  // static can be called with class

class Planet{

// variables and functions

	def name    // non static variable

	def static shape  // static variable

	def static log

	public void printName(){   // non static function

		log.info ("Name of planet is $name. Shape is $shape")

		xyz()  // non static can access static

	}

	public static void revolve(){  // static function

		//log.info (name)    // error, static cannot access non static

		xyz()  // call one function from another function

		log.info ("Planet revolving. Shape is $shape")

	}

	public static void xyz(){

		log.info "inside xyz"

	}

}

Tue Oct 06 18:30:29 CST 2015:INFO:starting

Tue Oct 06 18:30:29 CST 2015:INFO:Name of planet is earth. Shape is Circle

Tue Oct 06 18:30:29 CST 2015:INFO:inside xyz

Tue Oct 06 18:30:29 CST 2015:INFO:inside xyz

Tue Oct 06 18:30:29 CST 2015:INFO:Planet revolving. Shape is Circle