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lines changed Original file line number Diff line number Diff line change 11# Constructors
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36When defining a class, you are allowed to make a special kind of method
47called a constructor.
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Original file line number Diff line number Diff line change 11# Exceptions
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36When you do something that Java doesn't know how to handle, like
47dividing a number by zero, your program will fail.
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Original file line number Diff line number Diff line change 11# Standard Input II
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36If you are using a program and you type something slightly wrong
47it does not feel good if the program then immediately crashes.
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Original file line number Diff line number Diff line change 11# Strings II
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36If you haven't already, you will eventually realize that ` String ` s are
47one of the most common data types you will use.
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Original file line number Diff line number Diff line change 11# Switch
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36` if ` and ` else ` let you branch logic based on whether any arbitrary
47expression that evaluates to a boolean.
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