計算機(day2)

1.Computer History(past)
2.Computer Hardware(can be seen and touched ,foundation) 硬件
3.Operating System(Operate operator operation…)(操作系統)
4.Application Software(應用軟件)

5.apply for a post(申請職位)
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 編程語言

what Programming languages have you learned up to now?

team --leader --follower
solve problems translation exercise(翻譯練習)

we should try our best to develop the ability to solve problems.
we should try our best to develop our problem-solving abilities.

培養: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.

產生:produce generate

The framwork of the main() method can be generated by means of psvm.
Be brave to read aloud. 敢於大聲讀出來.

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 執行
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)是靜態的(static).
進程(process)是動態的(dynamic).

Life is too short to waste time hating anyone.時光短暫,不要把時間浪費在憎恨別人身上.

Nealy 5000 years ago the abacus emerged in Asia Minor.

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