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So now moving to the next slide, we will be discussing more data types, so data types, we need to

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use a lot of data types in our programs because the programs, all the programs may be actually working

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on data, right?

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We in computers, most of our activities are concentrated on data.

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How we can add data.

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How we can subtract data, how we can divide data.

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That's about digital data.

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That means then that no data.

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Similarly, we have a lot of data, other data types like if I have a kind of a name, that's also data,

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but we cannot write my name Aljunied as indigenous.

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It can be written as only Gattaca, so we should need another data type so that set GAD database.

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So as the name suggests here, data tables represent the type of data which we can process use are using

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our computer program, so it can be new money data if I numeric database and more data disseminating

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any kind of data.

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So in order to represent any kind of data, you say database.

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So here are some examples.

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So these are the popular data types associated in C++ language, so you can see anybody yet in my number,

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equal to fight.

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So it's integer data which actually shows all no the number without a decimal point.

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Then we have flawed data point, which which means like the number can be decimal numbers.

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So that's right.

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So if we are handling numbers which can be having decimal points, then we can use flawed as well as

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double.

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If it is having a lot of decimal like values after decimal points, then we will be using that.

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Then if you are handling that, it goes like names, strings, etc. Then we can use that database.

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Then we have more data, which actually we use for storing that.

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True or false value?

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If somebody says something is true began as saying that medium were true, then that kind of variable

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should be having more data.

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Then we have string it set new data, which is added in C++.

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It was not in C programming language, so spring data types can store a lot of characters to get a parting

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gift of gab that I began, or at least not one Garrick that I did.

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I.

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So here are the popular data types in C++ we are handling.

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So here these are the data types.

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So if we are like writing a program and if I want to introduce a new variable to the computer, I will

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be using a data.

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I suppose I want to add two numbers.

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And one is I have to know what kind of numbers it is.

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So it will be like the ACIDES number.

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And just adding two numbers means like five I need.

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It's not having any kind of decimal places so I can be glad to integer available so I can use the statement

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in a comma b semicolon.

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This means like my variables and we can call numbers similarly for each and every day day, which we

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use in program each and every variable which we use in program, we should identify the database and

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declare those variables at the beginning or anywhere in the program.

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So in previously, in the case of C programming language, you should define all the variables in in

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the beginning itself.

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But when it comes to C++, you have a choice to define the data type anywhere in the program by just

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before using that variable.

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You have to define its data type.

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So here you have the list of data types, and especially today, results are there to specify.

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There is nothing associated with the variable that is more data type.

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It's quite an empty data type.

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It means there is nothing associated with their variable.

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Then it's set with that type suspicion data like.

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So how are we going to declare any edible, that's what we are showing here.

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So we have died for our right to be able to name so it.

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Some.

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In.

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Alien like that.

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And we get our show while declaring the variable it means like that variable is not still used in the

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program, but we are actually introducing that variable to that computer compiler.

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So if you want to give a value to a variable while we are declaring it in Scala initialization, so

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we insulates the material in two ways.

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One is that after declaration, you can initialize the variable.

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Another means like during the declaring it said it, we get initially estimating with so I am if I want

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to get a variable card to say which is of integer time and I want to send that answer or I one Gorseinon

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value five in it, I can do like this.

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So in and I say equal to file.

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So that's indexes data type variable and I'm equal to value that design assignment summer.

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Now we have constants.

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So constants are also variables, but that value will not change in the program.

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Once you decide on sending a program, it will remain the same.

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We cannot change the value of that function.

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If we are trying to change the value, it will result in any error.

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So here you have like two ways to declare equal understanding that this using hash defined pre-processed

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that we have already started about hashing it set free preprocessor, right?

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So it's having a specific meaning which will tell the compare that to include all of that associated

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modifiers needed for executing that program.

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Similarly, we have another process of not acting that discard hash leaving, so hash defined is used

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to create constants.

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So if I want to create a Guanzon card by then, I can just write hash define.

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By three point one four.

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So then it will actually create their clients and by with the value three point four, which cannot

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be changed.

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Another means using constant keyword Gonski work.

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So launched the attack right then the variable name, then equal to that value.

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So this is another way of declaring it constant.