Ruby Data Types

Ruby has 8 primary data types and 3 more data types derived from the numeric superclass. In ruby the boolean data type can have one of the two values. This is basically the stuff that you as a ruby programmers will work with when we work with actual data that is interesting to you or your users in one way or the other.

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Ruby determines the data type from the data stored in the variable.

Ruby data types.

Ruby uses dynamic typing which means type checking is done at runtime rather than compile time as in languages that use static typing. Data type is a way to notifying the operating system about the types of data a variable is going to hold through out it s code journey for example if we mention data as integer like a 1 it means we are notifying system that variable a is going to hold numeric value and in that case system will allocate appropriate space in the same way if we writing a. Ruby data types. This is the boolean nature of our existence.

There is a heaven and earth water and fire jing and jang man and woman love and hatred. Introduction to ruby data types. In ruby you don t explicitly declare a data type before you assign a value. Assigning the value determines the data type.

The program lists classes that belong to ruby data types. There is a duality built in our world. Data types are types of things that are mainly used to represent data such as numbers text and other values. As mentioned in the previous chapter everything in ruby is an object.

We will discusss the following data types.

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