File list (Check if you may need any files):
Chapter4\ArrayCode\Arrays.class
........\.........\Arrays.java
........\.........\TestArray.class
........\.........\TestArray.java
........\StringCode\Test.class
........\..........\Test.java
........\..........\Test1.class
........\..........\Test1.java
........\..........\Test2.class
........\..........\Test2.java
........\..........\Test3.class
........\..........\Test3.java
........\..........\Test4.class
........\..........\Test4.java
........\..........\Test5.class
........\..........\Test5.java
........\..........\Test6.class
........\..........\Test6.java
........\..........\TestEquals.class
........\..........\TestEquals.java
........\..........\TestregionMatches.class
........\..........\TestregionMatches.java
........\..........\TestStringBuffer.class
........\..........\TestStringBuffer.java
........\..........\TestSubstring.class
........\..........\TestSubstring.java
........\第4章-1Java程序设计教程(数组).ppt
........\第4章-2Java程序设计教程-字符串.ppt
........\ArrayCode
........\StringCode
Chapter4