File list (Check if you may need any files):
自定义异常\Test_Exception\.project
..........\..............\.classpath
..........\..............\src\com\example\exeption\Test.java
..........\..............\...\...\.......\........\UserNameNotFoundException.java
..........\..............\...\...\.......\........\WrongPwdException.java
..........\..............\bin\com\example\exeption\WrongPwdException.class
..........\..............\...\...\.......\........\UserNameNotFoundException.class
..........\..............\...\...\.......\........\Test.class
..........\..............\.settings\org.eclipse.jdt.core.prefs
..........\..............\src\com\example\exeption
..........\..............\bin\com\example\exeption
..........\..............\src\com\example
..........\..............\bin\com\example
..........\..............\src\com
..........\..............\bin\com
..........\..............\src
..........\..............\bin
..........\..............\.settings
..........\Test_Exception
自定义异常