Programming Concepts

Misconception: Students think that both the IF and the ELSE cases of a conditional are executed every single time a conditional runs.

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Misconception: Students believe that in a primitive assignment, x = y could be the equivalent of y = x; they think that the computer science “=” sign is the same as the mathematical “=” sign.

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Have students act as elements walking through a network to sort themselves to teach students about how Sorting Networks function.

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Use physical activities to demonstrate sorting algorithms and help students build intuition about how these algorithms work.

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Organize a game in which students in a circle need to obtain their assigned item by passing the items between empty-handed neighbors to interactively demonstrate deadlock.

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Compare loops to climbing a flight of stairs to give students a model for how for loops work in real life.

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Challenge students to place the fewest number of ice cream vans on a map of a town while maximizing ice cream availability to introduce the brute-force method in an accessible way.

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Be on the lookout for loop syntax that belongs to another language when students are learning multiple languages because they sometimes confuse syntax and create hard to spot bugs.

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Use Monopoly, explaining that the game is a class, to demonstrate Java classes and objects in a familiar and interactive way.

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Create a physical model of Java objects and references in order to demonstrate situations where multiple references point to the same object in a way that’s easier for students to comprehend.

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