demo
....\Example1_1
....\..........\.classpath
....\..........\.project
....\..........\Example1_1.class
....\..........\Example1_1.java
....\Example2_1
....\..........\.classpath
....\..........\.project
....\..........\Example2_1.class
....\..........\Example2_1.java
....\Example2_2
....\..........\.classpath
....\..........\.project
....\..........\Example2_2.class
....\..........\Example2_2.java
....\Example2_3
....\..........\.classpath
....\..........\.project
....\..........\Example2_3.class
....\..........\Example2_3.java
....\Example3_1
....\..........\.classpath
....\..........\.project
....\..........\Example3_1.class
....\..........\Example3_1.java
....\..........\Person.class
....\Example3_2
....\..........\.classpath
....\..........\.project
....\..........\Desk.class
....\..........\Example3_2.class
....\..........\Example3_2.java
....\Example3_3.java
....\lee
....\...\mylib
....\...\.....\mysublib
....\...\.....\........\Student.class
....\...\.....\Person.class
....\...\Person.java
....\...\Student.java
....\...\TestStudent.java
....\Test
....\....\.classpath
....\....\.project
....\....\Test.class
....\....\Test.java
....\TestPerson1.java
....\TestPerson3.java
....\第三章
....\......\ClassDemo.java
....\......\example2.java
....\......\TestPerson1.java