Question

What is variable ? Write its type?​

Answer 1

Variable Types. All variables in the Java language must have a data type. Avariable's type determines the values that the variable can have and the operations that can be performed on it. For example, the declaration int count declares that count is an integer ( int ).

Answer 2

Variable is a storage location paired with an associated symbolic name, which contains some known or unknown quantity of data referred to as a value.

Categorical variable: variables than can be put into categories. ...

Confounding variable: extra variables that have a hidden effect on your experimental results.

Continuous variable: a variable with infinite number of values, like “time” or “weight”.