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Design - Interview Questions and Answers for 'Deutche bank' - 1 question(s) found
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Q1.
Draw uml for singleton pattern.
Design
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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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When singleton can break and how to resolve it
If you are given choice to either load object eagerly or lazily , which one would you use in case of singleton pattern ?
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Explain Singleton Design Pattern ?
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