Day 2 / Mar 2 (Wed)¶

Topics¶

Working with the Scala for the Impatient book

Chapter 1¶

1.2 Declaring Values and Variables

• vals
• Optional types

1.3 Commonly Used Types

• All types are classes
• Invoking methods
• StringOps

1.5 Calling Functions and Methods

• Function vs Method

1.6 The apply Method

• With apply you don't need new

1.7 Scaladoc

• https://docs.scala-lang.org/style/scaladoc.html
• https://www.scala-lang.org/api/2.13.8/

Chapter 2¶

Expressions

2.1 Conditional Expressions

• ifs

2.3 Block Expressions and Assignments

2.4 Input and Output

• print
• println
• readLine(prompt)
• read methods

2.7 Functions

2.8 Default and Named Arguments

2.12 Exceptions

• try-finally statement

Exercises (page 26)

• 1
• 5