**Contents**show

## What are variables and data types?

A variable can be thought of **as a memory location that can hold values of a specific type**. … For instance, a variable that holds text strings has the data type String and is called a string variable. A variable that holds integers (whole numbers) has the data type Integer and is called an integer variable.

## What is data type in Java definition?

A data type is **a set of values and a set of operations defined on those values**. The primitive data types that you have been using are supplemented in Java by extensive libraries of reference types that are tailored for a large variety of applications.

## What are the 5 types of variables?

There are different types of variables and having their influence differently in a study viz. **Independent & dependent variables, Active and attribute variables, Continuous, discrete and categorical variable, Extraneous variables and Demographic variables**.

## What are the 3 types of variables?

There are three main variables: **independent variable, dependent variable and controlled variables**. Example: a car going down different surfaces.

## How many types of variables are there?

Introduction to Types of Variables in Statistics

Such variables in statistics are broadly divided into **four categories** such as independent variables, dependent variables, categorical and continuous variables.

## What is local variable in Java?

A local variable in Java is **a variable that’s declared within the body of a method**. Then you can use the variable only within that method. … Local variables are not given initial default values. Thus, you must assign a value before you use a local variable.

## What are 4 types of data?

**4 Types of Data: Nominal, Ordinal, Discrete, Continuous**

- These are usually extracted from audio, images, or text medium. …
- The key thing is that there can be an infinite number of values a feature can take. …
- The numerical values which fall under are integers or whole numbers are placed under this category.

## What are the four basic data types?

**The Four basic data types are described below:**

- Integer type (int):
- Floating point type (float):
- Character type (char):
- Double precision floating point type (double):