Variables and Data Types
Variables and Data Types Variables Variables are like containers for storing values. Values in the variables can be changed. Values Consider that variables are like containers for storing information. In context of programming, this information is often referred to as value. Data Type In programming languages, every value or data has an associated type to it known as data type. Some commonly used data types String Integer Float Boolean This data type determines how the value or data can be used in the program. For example, mathematical operations can be done on Integer and Float types of data. String A String is a stream of characters enclosed within quotes. Stream of Characters Capital Letters ( A – Z ) Small Letters ( a – z ) Digits ( 0 – 9 ) Special Characters (~ ! @ # $ % ^ . ?,) Space Some Examples "Hello World!" "some@example.com" "1234" Integer All whole numbers (positive, negative and zero) without any fractional part come under Integers. Example...