Draw uml for singleton pattern.
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Q1.
Draw uml for singleton pattern.
Design
This question was recently asked at 'deutche bank'.This question is still unanswered. Can you please provide an answer.
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 design pattern   singleton
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//Double Checked Locking Code
public static Singleton createInstance() {
if(singleton == null){
synchronized(Singleton.class) {
if(singleton == null) {
singleton = new Singleton();
}
}
}
return singleton;
}
//Single checked locking code
public static Singleton createInstance() {
synchronized(Singleton.class) {
if(singleton == null) {
singleton = new Singleton();
}
}
return singleton;
}
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