Singleton1.data
setter methodSingleton2.data
setter methodSingleton3.data
setter methodSingleton4.data
setter methodSingleton1.data
.TestSingleton1
Singleton1.data
value is set to 0.Singleton2.data
.TestSingleton2
Singleton2.data
value is set to 0.Singleton3.data
.TestSingleton3
Singleton3.data
value is set to 0.Singleton4.data
.TestSingleton4
Singleton4.data
value is set to 0.