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Which design pattern represents a way to access all the objects in a collection? (a) Iterator pattern (b) Facade pattern (c) Builder pattern (d) Bridge pattern The question was asked in an international level competition. My question is from Design Patterns in chapter Java Beans & JDBC of Java Select the correct answer from above options

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Right option is (a) Iterator pattern The explanation is: Iterator pattern represents a way to access the elements of a collection object in sequential manner without the need to know its underlying representation.

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