package Ġcom . mo sp oly tech . mo sp oly helper . domain . schedule . model . lesson Ċ Ċ import Ġcom . mo sp oly tech . mo sp oly helper . domain . schedule . model . Schedule Item Ċ Ċ data Ġclass ĠLess on Window ( ĊĠĠĠ Ġval Ġprevious Lesson Time : ĠLess on Time , ĊĠĠĠ Ġval Ġnext Lesson Time : ĠLess on Time Ċ ) Ġ: ĠSchedule Item