最近一直在学coursera上面web intelligence and big data这门课，上周五印度老师布置了一个家庭作业，要求写一个mapreduce程序，用python来实现。 具体描述如下： Programming Assignment for HW3 Homework 3 (Programming Assignment A) Download data files bundled as a .zip file from hw3data.zip Each file in this
（1）Homework 4.2-1.doc
（2）Homework 4.4-1.doc
1)Write code for ShoeInfoVisitor to implement all the methods in this class to get descr iptions of all the kind of shoes
Also in the client class SportsShoesGUI, add necessary methods to get the informatio
（1）Homework 4.1-1.doc
（2）Homework 4.3-1.doc
1)run the program before you go any further to see how it works
In the example 10.1 in chapter 10, two iterators OddNumIterator and CircularIterator that traverse a Matrix are designed and implemented. The
. 创建Person类，Person的属性有：Strng name 姓名、String sex 性别、Integer age 年龄、String idNo 身份证号、Boolean isMerried 是否已婚。请生成相应的getter、setter方法，并创建两个构造方法：Person()，Person(String idNo)，把Person编译成.class文件。请通过反射技术，抽取Person所有的属性、方法，重新拼接成源文件字符串，再将字符串写入到一个新的文件”PersonX.java
