Comments,Variable,Datatypes in Java #2

In this vedio we will be learning the Comment ,the Single line and Multiline Comments,Variables and more about Datatypes

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Code of the Vedio

public class Comments
{
public static void main(String [] args){
// Comments can be used to explain Java code,
//and to make it more readable. It can also be used to prevent execution when testing alternative code.

// There are 2 types of Comment

// Single Line Comment

/*
* Multi
* line
* Comment
*/
}
}


public class Variables
{
public static void main(String [] args)
{
// Define Variable
/*
* Variables are containers for storing data values.
*/

// Syntax of Variable
// type variablename = value;

// String Variable
String str = "This is a String";

// Integer Variable
int a1 = 11;

// Character Variable
char ch = 'A';

// Boolean Variable
boolean b1 = true;

// Printing the Variables
System.out.println(str);
System.out.println(a1);
System.out.println(ch);
System.out.println(b1);
}
}


public class Data_Types
{
public static void main(String [] args){
/*
* Data types in Java fall under the following categories

1] Primitive Data Types (Intrinsic)
2] Non-Primitive Data Types (Derived)

*/

// Primitive Datatypes
// 1] byte
byte var1 = 12;
System.out.println(var1);

// 2] short
short var2 = 122;
System.out.println(var2);

// 3] int
int var3 = 2000;
System.out.println(var3);

// 4] long
long var4 = 300000l;
System.out.println(var4);

// 5] float
float var5 = 234.05f;
System.out.println(var5);

// 6] double
double var6 = 1245.765;
System.out.println(var6);

// 7] Character
char var7 = 'z';
System.out.println(var7);

// 8] Boolean
boolean var8 = true;
System.out.println(var8);

// Non-Primitive Datatypes

// 1] String
String var9 = "Adi Coder";
System.out.println(var9);

// 2] Arrays
int [] var10 = {1,3,4,8};
System.out.println(var10[0]);
System.out.println(var10[1]);
System.out.println(var10[2]);


}
}


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