Singleton\.classpath .........\.project .........\.settings\org.eclipse.jdt.core.prefs .........\bin\Singleton1.class .........\...\Singleton3.class .........\...\SingletonX.class .........\src\Singleton1.java .........\...\Singleton3.java .........\...\SingletonX.java .........\.settings .........\bin .........\src Singleton