Difference between revisions of "Constants - Variables - Data Types"
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| + | *Constants are used to create a variable of a specified data type that can never be changed after declaration, all global variables should be declared constant. | ||
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| + | <syntaxhighlight lang="csharp" line>const int 32</syntaxhighlight> | ||
Revision as of 12:08, 15 December 2016
There are 9 types of data types. These include boolean, string, integer, double, decimal, character, byte, float and long.
- Boolean is a binary value, being either true or false.
1 true
- String is used for storing characters in word form.
1 "hello world"
- Integer is used to store whole numbers (32 bit values).
1 457568368
- Double is used to store numbers where there are numbers before and after the decimal point.
1 3.3
- decimal is used for numbers only after the decimal point.
1 .3
- Character is used to store single letters.
1 'A'
- Byte is used to store a byte( eight 1's or 0's).
1 00101101
- Float is used to store a set number of digits after a decimal place.
1 3.0000000000
- Long integer is also used to store whole numbers (However these are 64 bit values).
1 7846354759340276482
- Constants are used to create a variable of a specified data type that can never be changed after declaration, all global variables should be declared constant.
1 const int 32
