Suzy Crowe

Ensure students develop a mental model for comparison of strings in a physical dictionary because few students use paper dictionaries anymore.

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Justify the reason that Java Strings are immutable by showing how Strings might be packed together in the heap to help students resolve incomplete understandings in their mental model.

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Misconception: Students often think that classes hold Objects rather than understanding that they’re a blueprint for Objects because of the main method.

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Tell students that the data structure linked lists were used for the human genome sequencing project to motivate the value of this structure and increase interest.

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Have students brainstorm about the data structure Pandora uses for playlists to help motivate arraylists or linked lists through comparison to everyday life.

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Misconception: Students incorrectly assume that Java’s substring method is destructive and wrongly anticipate the original string will change.

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Connect search to students’ experience with Ctrl+F or Find in various applications after they’ve written code for a search algorithm to help them understand the value of this concept in their daily lives.

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