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3 Cards in this Set
- Front
- Back
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How can you create Singleton class in java? |
Private constructor, and only creafe one instance |
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What is the benefit of factory pattern |
Factory pattern encapsulates the implementation details and underlying implementation can be changed without any impact on caller api. |
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What is builder pattern |
Builder pattern builds a complex object using simple objects and using a step by step approach. This builder is independent of other objects. |
