有用，非常得有用。

Jad 是一个 Java 反编译器，在 IE 中读取 Java 类文件，并将他们转换成 Java 原文件，这些原文件可以被重新编译-Jad is a Java decompiler, in IE to read Java class files and converts them into Java of the original documents, which the original files can be re-compiled

Lin bus configuration for pic microcontrollers. written in CCS C-compiler

雏形java的解释器源码。配合flex和bison可以工作-Embryonic java source of the interpreter. With flex and bison can work

D/A Converter（D/A转换器）-D/A Converter (D/A converter)

reading from file and display the number of words without spaces

三菱公司的单片机编程软件，想学的不妨看看。有意去三菱的最好学学。-Mitsubishi microcontroller programming software, I would like to learn to look at. Mitsubishi intends to learn the best.

词法分析程序，很初级的，我们刚刚开编译原理- Lexical analyaer, very primary, we just opened the translation principle

用于一个小型表达式输入的简易编译器，c语言版的-For a small input simple expression compiler, c language version of the

一个简单的C词法分析器 能识别数字,标志符(关键字,变量)和一些运算符.-a simple C lexical analyzer can identify the number, identifier (keyword, variable), and some Operators.

实现词法分析，并用LR0实现语法分析.这是编译原理的实验时候做的。-It realized the lexical analysis and grammatical analysis function, it was written by C++ language.