Java

Have students complete CodeLab’s practice exercises to improve their skills in Python, Java, C++, or other programming languages.

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Have students label a string’s index values to help them understand how to use Java’s substring method.

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Misconception: When students trace through recursive code, they have trouble figuring out if operations are done before or after the recursive call.

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Compare objects in Java to cloud-hosted documents, such as Google Docs, for a relatable analogy to explain object references with.

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Teach students how to find built-in Java methods in the Javadocs documentation so they can are prepared to use this skill on the AP CS exam.

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Have students practice looping through an array in as many ways as possible, such as forwards and backwards, to increase their comfort with array looping.

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Discuss and explore the difference between additive (sequential) and multiplicative (nested) loop structures to give students practice reasoning about loops.

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Encourage students to replace variables with values when tracing through code to reduce the necessary cognitive load.

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Give students tips and resources to help them shift from one programming language to another.

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Misconception: Students get confused with object-oriented programming in Python because function declarations explicitly take self as an argument, but function calls don’t use self as argument.

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