Colon Class § 6.1: System language

Brief comment on the language of Lesson six (1)

Guide before class

This lesson is a simple comparison and evaluation of some of the mainstream languages. Opinion, the right to make the entertainment.

This lesson is divided into four sections--

System language--the double-edged sword of power

Platform language----first after the Taiwan opera

Front language--the art of visual and interactive

Background Script--a sharp tool for agile development

6.1 System language--the double-edged sword of power

The height of the form of escape and God of labor, under the form of labor and God Yat-"Hong Chongming vegetable root Tan"

Key words: C language, C language, C++,d language

Absrtact: Brief talk on C, C + + and D

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* The enlightened people of Zen Buddhism bottom The flowers, and the frogs clamor for them.

· Most Java programmers are spoiled, and environmental awareness is much weaker.

• (pointers) used well can be efficient weapon, use is not good may be the evil of self-destruction

· OOP is not gold, the higher the content the better. The idea of trying to put everything in an OOP box is tantamount to fit.

They (System language) The idea is: to optimize the machine time rather than human time, optimize the machine memory rather than human memory; Suppose the compiler is stupid and the programmer is smart, so give programmers more rights, obligations and responsibilities

· C + + is a bridle without saddle of the wild horse, seemingly defiant, if able to shun the royal, will be able to step on the swallow, walk thousands of miles without labor

？ Questions

Why does C + + not support automatic garbage collection?

How do I resolve memory release problems in C + +?

What are the characteristics of the system language?

In the premise of not introducing OOP, C language can learn from C + + which features?

What is the D language better than C + +?

Is it necessary to care about the performance and efficiency of the program in today's increasing computer performance?