Skip to main content

Java and Data Types of Java | Java Journey by Divyanshu 02

What is JAVA ?
Ans: Java is a high level object oriented Programing Language, which is Developed with the principal of "WORA" . 


  • Now what about WORA ?
    Ans: Write once read anywhere this is WORA .
  • Java ko 1990s Mein James Gosling and Unki team ne develop kiya tha. 
  • Java is a platform Independent Language, iska matlb ye hai ek bar Java likhne ke bad aap ise kisi bhi operating System me chla skte hai (Ye WORA ka part hai).
  • Java ka phla name “OAK” tha .
  • Java ka koi full form nhi hota hai
  • Java Name Indonesia ke first coffee ka name tha jaha java Ke developer James rha krte the 
About JAVA Data Types:  


Data types are declarations for variables. This determines the type and size of  data associated with variables which is essential to know since different data  types occupy different sizes of memory.


There are 2 types of Data types in JAVA:  


  • Primitive Data types : to store simple values

  • Non-Primitive Data types : to store complex values


Labels:

Comments

Post a Comment

Popular posts from this blog

Block vs Inline Elements In HTML

  Block: Block element always start in New Line  Block element always start in new line occupy complete width available  Example: h2, p, div Inline Element: They do not start in new line occuply width as much required  Example: img, anchor a,span There are no different between div and span, only difference is div is block element and span is Inline, it will help you to group your content or elements
Post a Comment
Read more

Add CSS using external CSS

>>> U just need to create a another page and save it with the name style.css >>> and then go to link that style page with your html docs how to link your css with html page ? >>> You can find code below , it will help you to link your external page with your html docs <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Divyanshu Khare || MERN Developer</title> <meta description = "description" content="Divyanshu Khare's website"> <link rel="stylesheet" type="text/css" href="style.css">   <!----------link external css page ---------> </head> <body> </body> </html>
Post a Comment
Read more

Find Unique Number in Array Java , XOR

 Question:  WAP to find unique number in Array Java package aRray ; import java . util .*; public class practicalArray { public static void main ( String [] args ) { Scanner scan = new Scanner ( System . in ) ; // Step 1: Input size of the array from the user int size = scan . nextInt () ; // Step 2: Create an integer array of the specified size int [] arr = new int [ size ] ; // Step 3: Initialize 'res' with the first element of the array int res = arr [ 0 ] ; // Step 4: Loop to read array elements and find the unique number for ( int i = 1 ; i < size ; i ++ ) { // Read an integer from the user and store it in the array arr [ i ] = scan . nextInt () ; // Step 5: Use XOR (^) operation to find the unique number res = res ^ arr [ i ] ; } // Step 6: Print the unique number System . out . print...
Post a Comment
Read more