1
00:00:13,590 --> 00:00:18,450
Hello and welcome to the golden programming language course in this session.

2
00:00:18,480 --> 00:00:21,380
We want to talk about data types concept.

3
00:00:25,970 --> 00:00:27,430
Data types and go.

4
00:00:28,490 --> 00:00:36,380
The type of a variable determines how much space it occupies in storage and how the bead pattern is

5
00:00:36,380 --> 00:00:37,880
stored is interpreted.

6
00:00:39,140 --> 00:00:47,660
Data types specify the type of data that a valid go variable can hold in go language.

7
00:00:47,930 --> 00:00:56,510
The type is divided into four categories, which are as follows First, basic type numbers string and

8
00:00:56,510 --> 00:01:05,540
Boolean come under this category second aggregate type array and strikes come under this category.

9
00:01:06,470 --> 00:01:12,710
Third, reference type pointers, slices, maps, functions and channels.

10
00:01:12,710 --> 00:01:20,720
Commander This category and force interface type interface is a type in go, which is a collection of

11
00:01:20,720 --> 00:01:21,950
method signatures.

12
00:01:26,410 --> 00:01:29,560
Basic data type here.

13
00:01:29,770 --> 00:01:33,490
We will talk about basic data types in the go language.

14
00:01:34,450 --> 00:01:42,460
The basic data types are folder categorized into the three subcategories, which are numbers Bosnians

15
00:01:42,640 --> 00:01:43,720
and Airstreams.

16
00:01:45,460 --> 00:01:47,860
First, we will talk about numbers.

17
00:01:48,460 --> 00:01:56,470
Numbers are divided into the three subcategories that are integers floating point numbers in complex

18
00:01:56,470 --> 00:01:57,010
numbers.

19
00:02:00,820 --> 00:02:01,690
Integers.

20
00:02:03,520 --> 00:02:11,500
Integers are used to twist or whose numbers go, has several built in integer types of varying size

21
00:02:11,500 --> 00:02:20,590
of the storing Sine and L.S. integers, both signed and unsigned integers are available as the predefined

22
00:02:20,590 --> 00:02:26,050
architecture independent integer types is shown in the diagram below.

23
00:02:26,560 --> 00:02:33,220
The signed integer is represented by INT and the unsigned integer is represented by you.

24
00:02:33,220 --> 00:02:42,850
Int signed integer includes Int Int eight and sixteen in thirty two and and 64.

25
00:02:44,140 --> 00:02:48,130
The size of the generic end type is platform dependent.

26
00:02:48,490 --> 00:02:55,330
It is three bits wide on a 32 bit system and 64 bits wide on the 64 bit system.

27
00:02:55,840 --> 00:03:04,960
Unsigned integers include You ain't you int eight, you aren't sixteen, you ain't thirty two and unions

28
00:03:04,960 --> 00:03:05,680
64.

29
00:03:06,310 --> 00:03:09,200
The size of union type is platform dependent.

30
00:03:09,400 --> 00:03:15,340
It is 32 bits white on a 32 bit system in 64 bits wide and a 64 bit system.

31
00:03:16,720 --> 00:03:23,260
When you're working with integer values, you should always use the data type unless you have a good

32
00:03:23,260 --> 00:03:27,520
reason to use the sized or unsigned integer types.

33
00:03:29,770 --> 00:03:37,380
There are also a couple of alias number times which assign useful names to a specific data times by

34
00:03:38,020 --> 00:03:43,000
Alias for You eight and Rule Alias for entry to

35
00:03:45,940 --> 00:03:51,850
Byte in Go is an alias for you end eight, meaning it is an integer value.

36
00:03:52,570 --> 00:04:01,540
This integer value is of eight bits, and it'll represent one by in between zero dash two hundred and

37
00:04:01,540 --> 00:04:02,800
fifty five.

38
00:04:03,550 --> 00:04:07,390
A single byte, therefore, can represent ASCII characters.

39
00:04:08,230 --> 00:04:11,740
Go length does not have any data type of cache.

40
00:04:11,980 --> 00:04:19,090
Therefore, BI is used to represent the ASCII character in Go.

41
00:04:19,100 --> 00:04:24,400
Language is an alias for N32, meaning it is integer value.

42
00:04:25,090 --> 00:04:33,970
This integer value is meant to represent the Unicode Code Point A Rome is used to represent a Unicode

43
00:04:33,970 --> 00:04:41,560
character, whereas only ASCII characters can be represented solely by an entry to data type.

44
00:04:43,870 --> 00:04:47,170
Now go to this school program to do an example.

45
00:04:49,480 --> 00:04:51,430
First, go to Project Explorer.

46
00:04:51,820 --> 00:05:01,180
Create a folder named like data types and create a file inside.

47
00:05:01,180 --> 00:05:03,000
Eat like me.

48
00:05:04,090 --> 00:05:04,770
Just go.

49
00:05:06,700 --> 00:05:08,210
Define the package name.

50
00:05:08,500 --> 00:05:15,190
So the right package main and defined main function for me.

51
00:05:18,370 --> 00:05:23,230
In this case, we want to define two integer variables first.

52
00:05:23,710 --> 00:05:25,720
Eight bit unsigned integer.

53
00:05:25,990 --> 00:05:30,040
And second, define a 16 bit signed integer.

54
00:05:30,520 --> 00:05:43,060
So first, define via a U.S. eight and initialize it by, for example, 200.

55
00:05:44,350 --> 00:05:47,080
And this abilities variable FP.

56
00:05:49,330 --> 00:06:02,530
Hey, and go to the next line and define A. A value that, for example, via B and 16 and initialize

57
00:06:02,530 --> 00:06:09,670
it by the value minus fifteen thousand four hundred ninety two.

58
00:06:10,690 --> 00:06:14,830
And now go to the next line and display this variable f the.

59
00:06:17,000 --> 00:06:17,300
Be.

60
00:06:18,870 --> 00:06:19,170
OK.

61
00:06:19,300 --> 00:06:26,460
Reformat the court, save the project and execute the program, go to a terminal first, go to Project

62
00:06:26,460 --> 00:06:35,070
Folder, see the data types, killer screening and run the program by the comment go wrong.

63
00:06:35,760 --> 00:06:37,560
Does this mean that Google?

64
00:06:39,450 --> 00:06:41,490
Now we can see the output.

65
00:06:42,330 --> 00:06:48,120
First, we define a U.S. aid variable and initialize it by 200.

66
00:06:48,480 --> 00:06:57,870
And second, we define and end 16 variable and initialize it by the value minus fifteen thousand four

67
00:06:57,870 --> 00:06:59,190
hundred and thirty two.

68
00:06:59,250 --> 00:07:05,970
So we could define two variable by the type signed an unsigned integer in order not to prolong the time

69
00:07:05,970 --> 00:07:06,690
of decision.

70
00:07:06,840 --> 00:07:10,800
We will finish it and we will continue the content in the next session.

71
00:07:10,980 --> 00:07:11,500
Goodbye.