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Have students translate between Java Array and ArrayList to highlight the differences between the two.

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  • Note from CS Teaching Tips: Check out Java67’s entry on the differences between Array and ArrayList for more information.

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Tags

  • Java
  • Data Structures
  • Programming Concepts
External Source

Interview with Helen Hu.

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Other Tips By Helen Hu

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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.
Encourage students to get the for-loop counter right before adding code inside the for loop this will reduce the amount of time spent troubleshooting for-loops and ensure students are scaffolded well.
Show students what code looks like with and without new programming constructs (e.g., methods, Objects, inheritance, loops, switch statements) to motivate the reasons for using new concepts.
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