File list (Check if you may need any files):
chuex
.....\ex3_3
.....\.....\showMess.class
.....\.....\ShowMess.java
.....\ex4_2
.....\.....\ex4_2.class
.....\.....\Ex4_2.java
.....\ex4_3
.....\.....\ex4_3.class
.....\.....\Ex4_3.java
.....\ex5_1_1
.....\.......\ex5_1while.class
.....\.......\Ex5_1While.java
.....\ex5_1_2
.....\.......\ex5_1do.class
.....\.......\Ex5_1Do.java
.....\ex5_1_3
.....\.......\ex5_1for.class
.....\.......\Ex5_1For.java
.....\ex5_2
.....\.....\compare.class
.....\.....\Compare.java
.....\.....\user
.....\.....\....\ReadNumber.class
.....\ex5_3_1
.....\.......\season.class
.....\.......\Season.java
.....\.......\user
.....\.......\....\ReadNumber.class
.....\ex5_3_2
.....\.......\season.class
.....\.......\Season.java
.....\.......\user
.....\.......\....\ReadNumber.class
.....\ex5_4
.....\.....\ex5_4.class
.....\.....\Ex5_4.java
.....\ex5_5
.....\.....\parallelogram.class
.....\.....\Parallelogram.java
.....\ex5_6
.....\.....\NineNineList.class
.....\.....\NineNineList.java
.....\ex6_1
.....\.....\Revert.class
.....\.....\Revert.java
.....\ex6_2
.....\.....\Sort.class
.....\.....\Sort.java
.....\ex6_3
.....\.....\Search.class
.....\.....\Search.java
.....\.....\user
.....\.....\....\ReadNumber.class
.....\ex6_4
.....\.....\sort.class
.....\.....\Sort.java
.....\ex7_6
.....\.....\abc.class
.....\.....\testabc.class
.....\.....\testabc.java
.....\ex7_7
.....\.....\Check.class
.....\.....\Check.java
.....\.....\Son.class
.....\ex7_8
.....\.....\Dog.class
.....\.....\dog.java
chuli
.....\ch01
.....\ch02
.....\....\li2_1
.....\....\.....\SimpleProgram$aa.class
.....\....\.....\SimpleProgram.class
.....\....\.....\SimpleProgram.java
.....\ch03
.....\....\li3_1
.....\....\.....\Person.class
.....\....\.....\personClassTest.class
.....\....\.....\PersonClassTest.java
.....\ch04
.....\....\li4_1
.....\....\.....\li4_1.class
.....\....\.....\Li4_1.java
.....\....\li4_2
.....\....\.....\li4_2.class
.....\....\.....\Li4_2.java
.....\....\li4_3
.....\....\.....\li4_3.class
.....\....\.....\Li4_3.java
.....\....\.....\user
.....\....\.....\....\ReadNumber.class
.....\....\li4_4
.....\....\.....\li4_4.class
.....\....\.....\Li4_4.java
.....\....\li4_5
.....\....\.....\li4_5.class
.....\....\.....\Li4_5.java
.....\ch05
.....\....\li5_01