To define a class in Scala, the class keyword is used, followed by an identifier (class name) of our choosing.

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Let’s map the syntax to our Person class.

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class Person

At this point, our class doesn’t have any properties or methods.

Defining the Properties of a Class

Properties are variables and in Scala, they are called fields. They are also known as instance variables because every instance gets its own set of the variables.

All the members of a class, including fields, are placed in a block.

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Our Person class has three fields: name, gender, and age.