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20200225英语上课笔记
Appointment Reservations Colleagues Doctor/ Dentist Meeting - Customer/ Colleague Repairs/ Services Fitness trainer/coach - in the gym Visa office I made an appointment with my wife My appointment was with my boss last time, it was yesterday abotcl/string/20200225 fromCharCode, toCharCode
proc String.fromCharCode {args} { set s [binary format s* $args] encoding convertfrom unicode $s } proc String.toCharCode {s} { set s [encoding convertto unicode $s] binary scan $s s* x;set x } 示例： $ String.toCharCode hello > 104 101Java面试20200225
01、 1、abstract和introduction区别； 1.抽象类可以有构造方法，接口中不能有构造方法。 2.抽象类中可以有普通成员变量，接口中没有普通成员变量 3.抽象类中可以包含非抽象的普通方法，接口中的所有方法必须都是抽象的，不能有非抽象的普通方法。 4.抽象类中的抽象方法的访问类型可以是