[Training Video - 3] [Groovy in Detail] What is a groovy class ?

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log.info "starting" // we use class to create  objects of a class Planet p1 = new Planet() Planet p2 = new Planet() Planet p3 = new Planet()   p1.name = "earth" p1.shape = "circle"   p2.name = "jupiter" p2.shape = "circle"   p3.name = "mars" p3.shape = "circle"   log.info p1.name+"  "+p1.shape log.info p2.name+"  "+p2.shape log.info p3.name+"  "+p3.shape   p1 = p2 log.info "*************************************" log.info p1.name+"  "+p1.shape log.info p2.name+"  "+p2.shape log.info p3.name+"  "+p3.shape   p1.name = "pluto" log.info "*************************************" log.info p1.name+"  "+p1.shape    //pluto log.info p2.name+"  "+p2.shape    //pluto log.info p3.name+"  "+p3.shape   class Planet{     def name     def shape }

 运行结果：

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Tue Oct 06 20:41:45 CST 2015:INFO:starting Tue Oct 06 20:41:45 CST 2015:INFO:earth  circle Tue Oct 06 20:41:45 CST 2015:INFO:jupiter  circle Tue Oct 06 20:41:45 CST 2015:INFO:mars  circle Tue Oct 06 20:41:45 CST 2015:INFO:************************************* Tue Oct 06 20:41:45 CST 2015:INFO:jupiter  circle Tue Oct 06 20:41:45 CST 2015:INFO:jupiter  circle Tue Oct 06 20:41:45 CST 2015:INFO:mars  circle Tue Oct 06 20:41:45 CST 2015:INFO:************************************* Tue Oct 06 20:41:45 CST 2015:INFO:pluto  circle Tue Oct 06 20:41:45 CST 2015:INFO:pluto  circle Tue Oct 06 20:41:45 CST 2015:INFO:mars  circle