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@rolfl totally nailed it. Only a few nitpicks left behind:

• I'd drop all pointless comments, unless they serve a purpose when you teach this
• Add the @Override annotations for clarity when reading not in an IDE
• Whenever you can drop this. from this.cursor, I'd drop it
• The way you use spacing around brackets does not follow well the standard. Use the reformat function of your IDE (equivalent of Control-Shift-f in Eclipse)

I think it's a great idea asking here before presenting to your class!

@rolfl totally nailed it. Only a few nitpicks left behind:

• I'd drop all pointless comments, unless they serve a purpose when you teach this
• Add the @Override annotations for clarity when reading not in an IDE
• Whenever you can drop this. from this.cursor, I'd drop it
• The way you use spacing around brackets does not follow well the standard. Use the reformat function of your IDE (equivalent of Control-Shift-f in Eclipse)

I think it's a great idea asking here before presenting to your class!

@rolfl totally nailed it. Only a few insignificant nitpicks left behind:

• Whenever you can drop this. from this.cursor, I'd drop it
• I'd drop all pointless comments, unless they serve a purpose when you teach this
• Add the @Override annotations for clarity when reading not in an IDE
• The spacing around brackets is not 100% the standard, use the reformat function of your IDE (equivalent of Control-Shift-f in Eclipse)

I think it's a great idea asking here before presenting to your class!

@rolfl totally nailed it. Only a few nitpicks left behind:

• I'd drop all pointless comments, unless they serve a purpose when you teach this
• Add the @Override annotations for clarity when reading not in an IDE
• Whenever you can drop this. from this.cursor, I'd drop it
• The way you use spacing around brackets does not follow well the standard. Use the reformat function of your IDE (equivalent of Control-Shift-f in Eclipse)

I think it's a great idea asking here before presenting to your class!