1.Computer History(past)
2.Computer Hardware(can be seen and touched ,foundation) 硬件
3.Operating System(Operate operator operation…)(操作系统)
4.Application Software(应用软件)
5.apply for a post(申请职位)
match(匹配 ) scale
knowledge --understanding --skill
knowledge is power,especillay skill is very important for us
Internet(the biggest network in the world)
6.Programming Languages 编程语言
what Programming languages have you learned up to now?
team --leader --follower
solve problems translation exercise(翻译练习)
we should try our best to develop the ability to solve problems.
we should try our best to develop our problem-solving abilities.
培养:train develop cultivate
We reviewed what had learned in the last class.
review request …
Random Talk Before Class
This is the framwork of a class named TestRandom.
l’m creating a new java class.
产生:produce generate
The framwork of the main() method can be generated by means of psvm.
Be brave to read aloud. 敢于大声读出来.
There are eight primitive data types in java.
byte,short, int(interger),long ,float,double,char,boolean,
I am going to generate a random number between 0(inluded) and 1(excluded).{0,1}
Execute 执行
Execute the program to see the result.
double num =Math.random();
System.out.println("num="+num);
Process finished with exit code 0.
程序(program)是静态的(static).
进程(process)是动态的(dynamic).
Life is too short to waste time hating anyone.时光短暂,不要把时间浪费在憎恨别人身上.
Nealy 5000 years ago the abacus emerged in Asia Minor.