File list (Check if you may need any files):
2011914224第01次作业\.classpath
....................\.project
....................\.settings\org.eclipse.jdt.core.prefs
....................\bin\Num13_1.class
....................\...\Num13_2.class
....................\...\Num13_3.class
....................\...\Num14.class
....................\src\Num13_1.java
....................\...\Num13_2.java
....................\...\Num13_3.java
....................\...\Num14.java
....................\.settings
....................\bin
....................\src
2011914224第01次作业