J's Study log

Stack Stack in data structure literally means stacking data in memory following 'LIFO method'. Top As the picture shows, same size of data is structed in one way and to access the data you can access data from 'top'. ('top' points the last data input) Data in Operators Input new data with operator 'push'. Extract data and return with operator 'pop'. And there's also 'peek' operator which returns..