File list (Check if you may need any files):
D12\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\A.class
...\...\People.class
...\src\People.java
.34\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example3_4.class
...\src\Example3_4.java
..5\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example3_5.class
...\src\Example3_5.java
..6\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example3_6.class
...\src\Example3_6.java
..7\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example3_7.class
...\src\Example3_7.java
..8\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example3_8.class
...\src\Example3_8.java
..9\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example3_9.class
...\src\Example3_9.java
.41\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example4_2.class
...\...\XiyoujiRenwu.class
...\src\Example4_2.java
..2\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example4_2.class
...\...\Point.class
...\src\Example4_2.java
..3\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example4_3.class
...\...\XiyoujiRenwu.class
...\src\Example4_3.java
..4\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example4_4.class
...\...\Point.class
...\src\Example4_4.java
..5\.project
...\bin\.project
..6\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
..7\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Battery.class
...\...\E4_7.class
...\...\Radio.class
...\src\Battery.java
...\...\E4_7.java
...\...\Radio.java
..8\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Circle.class
...\...\Circular.class
...\...\Example4_8.class
...\src\Circle.java
...\...\Circular.java
...\...\Example4_8.java
..9\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\Example4_9.class
...\...\MobileTelephone.class
...\...\SIM.class
...\src\Example4_9.java
...\...\MobileTelephone.java
...\...\SIM.java
.56\.classpath
...\.project
...\.settings\org.eclipse.jdt.core.prefs
...\bin\A.class
...\...\B.class
...\...\Example5_6.class
...\src\Example5_6.java
.61\.classpath